{"id":6539,"date":"2026-02-09T10:19:01","date_gmt":"2026-02-09T02:19:01","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=6539"},"modified":"2026-02-09T10:19:58","modified_gmt":"2026-02-09T02:19:58","slug":"cold-flexibility-nexans-rheycord-r-vs-ntscgewou-cold-resistant-performance-comparison-at-%e2%88%9240-c","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/cold-flexibility-nexans-rheycord-r-vs-ntscgewou-cold-resistant-performance-comparison-at-%e2%88%9240-c\/","title":{"rendered":"Cold Flexibility: Nexans RHEYCORD\u00ae (R) vs. (N)TSCGEW\u00d6U Cold-Resistant \u2014 Performance Comparison at \u221240 \u00b0C"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u4f4e\u6e29\u67d4\u6027\u5bf9\u6bd4\uff1aNexans RHEYCORD\u00ae (R) \u4e0e (N)TSCGEW\u00d6U \u8010\u5bd2\u578b\u5377\u7b52\u7535\u7f06 \u2014 \u5728 \u221240 \u00b0C \u4e0b\u7684\u6027\u80fd\u6bd4\u8f83<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"7b888a\" data-has-transparency=\"false\" style=\"--dominant-color: #7b888a;\" loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"611\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-758.avif\" alt=\"\" class=\"wp-image-6541 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-758.avif 739w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-758-300x248.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-758-400x331.avif 400w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<title>Cold Flexibility: Nexans RHEYCORD\u00ae (R) vs. (N)TSCGEW\u00d6U Cold-Resistant \u2014 Performance Comparison at \u221240 \u00b0C | Anhui Feichun Special Cable<\/title>\n<meta name=\"description\" content=\"In-depth cold flexibility comparison of Nexans RHEYCORD\u00ae NSHTOEU-J reeling cable vs. (N)TSCGEW\u00d6U cold-resistant MV mining reeling cable at \u221240 \u00b0C. IEC 60811-504\/505\/506 cold bend, elongation &#038; impact test data. DIN VDE 0250 compliant. Anhui Feichun Special Cable Co., Ltd.\">\n<meta name=\"keywords\" content=\"RHEYCORD cold flexible cable, NSHTOEU-J cold temperature, NTSCGEW\u00d6U cold resistant, reeling cable -40\u00b0C, cold bend test IEC 60811-504, DIN VDE 0250, Feichun cable\">\n<meta name=\"robots\" content=\"index, follow\">\n<!-- Schema.org TechArticle markup -->\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\",\n  \"@type\":\"TechArticle\",\n  \"headline\":\"Cold Flexibility: Nexans RHEYCORD\u00ae (R) vs. (N)TSCGEW\u00d6U Cold-Resistant \u2014 Performance Comparison at \u221240 \u00b0C\",\n  \"author\":{\"@type\":\"Organization\",\"name\":\"Anhui Feichun Special Cable Co., Ltd.\"},\n  \"datePublished\":\"2026-02-09\",\n  \"publisher\":{\"@type\":\"Organization\",\"name\":\"Anhui Feichun Special Cable Co., Ltd.\"}\n}\n<\/script>\n<style>\n\/* ================================================================\n   CSS CUSTOM PROPERTIES \u2014 light theme (default)\n   ================================================================ *\/\n:root{\n  --fc-bg:#ffffff;--fc-bg-alt:#f6f8fa;--fc-bg-tbl-head:#0c1b2e;\n  --fc-bg-tbl-row:#f9fafb;--fc-bg-tbl-stripe:#eef2f7;\n  --fc-bg-callout:#e7f0fb;--fc-bg-warn:#fef8e6;--fc-bg-danger:#fbeaea;\n  --fc-bg-success:#eaf6ed;--fc-bg-frost:#eaf4fd;\n  --fc-text:#1b2838;--fc-text-muted:#5c6d7e;--fc-text-heading:#0d1926;\n  --fc-text-on-dark:#edf2f8;--fc-border:#cdd5df;--fc-border-lt:#e2e8f0;\n  --fc-accent:#0e5da7;--fc-accent-lt:#d0e3f7;\n  --fc-link:#0e5da7;--fc-link-hover:#094278;\n  --fc-green:#187a3a;--fc-blue:#1a6bbf;--fc-orange:#b55209;--fc-red:#b91c1c;\n  --fc-frost-accent:#2980b9;\n  --fc-shadow:0 1px 3px rgba(0,0,0,.06);--fc-shadow-md:0 2px 8px rgba(0,0,0,.09);\n}\n\n\/* \u2014 Dark mode via media query \u2014 *\/\n@media(prefers-color-scheme:dark){\n:root{\n  --fc-bg:#0d1722;--fc-bg-alt:#142132;--fc-bg-tbl-head:#080e17;\n  --fc-bg-tbl-row:#142132;--fc-bg-tbl-stripe:#1a2c40;\n  --fc-bg-callout:#112540;--fc-bg-warn:#2a2513;--fc-bg-danger:#2a1111;\n  --fc-bg-success:#102a18;--fc-bg-frost:#0d2540;\n  --fc-text:#c7d2de;--fc-text-muted:#8899ab;--fc-text-heading:#e3eaf2;\n  --fc-text-on-dark:#e3eaf2;--fc-border:#263850;--fc-border-lt:#1d2e43;\n  --fc-accent:#55a0e2;--fc-accent-lt:#112540;\n  --fc-link:#55a0e2;--fc-link-hover:#7bbcf4;\n  --fc-green:#4ade80;--fc-blue:#60b5ff;--fc-orange:#fbbf24;--fc-red:#f87171;\n  --fc-frost-accent:#60b5ff;\n  --fc-shadow:0 1px 3px rgba(0,0,0,.32);--fc-shadow-md:0 2px 8px rgba(0,0,0,.42);\n}}\n\n\/* \u2014 Dark mode via class \/ data-attribute (CMS integration) \u2014 *\/\nhtml.dark,body.dark,[data-theme=\"dark\"]{\n  --fc-bg:#0d1722;--fc-bg-alt:#142132;--fc-bg-tbl-head:#080e17;\n  --fc-bg-tbl-row:#142132;--fc-bg-tbl-stripe:#1a2c40;\n  --fc-bg-callout:#112540;--fc-bg-warn:#2a2513;--fc-bg-danger:#2a1111;\n  --fc-bg-success:#102a18;--fc-bg-frost:#0d2540;\n  --fc-text:#c7d2de;--fc-text-muted:#8899ab;--fc-text-heading:#e3eaf2;\n  --fc-text-on-dark:#e3eaf2;--fc-border:#263850;--fc-border-lt:#1d2e43;\n  --fc-accent:#55a0e2;--fc-accent-lt:#112540;\n  --fc-link:#55a0e2;--fc-link-hover:#7bbcf4;\n  --fc-green:#4ade80;--fc-blue:#60b5ff;--fc-orange:#fbbf24;--fc-red:#f87171;\n  --fc-frost-accent:#60b5ff;\n  --fc-shadow:0 1px 3px rgba(0,0,0,.32);--fc-shadow-md:0 2px 8px rgba(0,0,0,.42);\n}\n\n\/* ================================================================\n   RESET & BASE\n   ================================================================ *\/\n*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}\nbody{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,sans-serif;color:var(--fc-text);background:var(--fc-bg);line-height:1.76;-webkit-font-smoothing:antialiased}\n\n\/* ================================================================\n   LAYOUT \u2014 full width, no sidebar\n   ================================================================ *\/\n.fc-wrap{max-width:980px;margin:0 auto;padding:30px 20px 60px}\n@media(min-width:768px){.fc-wrap{padding:46px 40px 80px}}\n\n\/* ================================================================\n   HERO\n   ================================================================ *\/\n.fc-hero{border-bottom:3px solid var(--fc-frost-accent);padding-bottom:24px;margin-bottom:34px}\n.fc-hero__badge{display:inline-block;background:var(--fc-frost-accent);color:#fff;font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:4px 13px;border-radius:2px;margin-bottom:13px}\n.fc-hero h1{font-size:clamp(20px,3.6vw,30px);font-weight:800;line-height:1.22;color:var(--fc-text-heading);margin-bottom:7px}\n.fc-hero .cn{font-size:clamp(13.5px,2.4vw,17px);color:var(--fc-text-muted);font-weight:500;margin-bottom:13px}\n.fc-meta{display:flex;flex-wrap:wrap;gap:13px;font-size:12.5px;color:var(--fc-text-muted)}\n\n\/* ================================================================\n   HEADINGS\n   ================================================================ *\/\n.fc-wrap h2{font-size:clamp(17px,2.9vw,22px);font-weight:700;color:var(--fc-text-heading);margin:40px 0 8px;padding-bottom:6px;border-bottom:2px solid var(--fc-border-lt)}\n.fc-wrap h2 .cn-sub{display:block;font-size:.67em;color:var(--fc-text-muted);font-weight:500;margin-top:2px}\n.fc-wrap h3{font-size:clamp(14px,2.3vw,17px);font-weight:600;color:var(--fc-text-heading);margin:24px 0 6px}\n\n\/* ================================================================\n   PROSE\n   ================================================================ *\/\n.fc-wrap p{margin-bottom:14px;color:var(--fc-text)}\n.cn-i{color:var(--fc-text-muted);font-size:.87em}\n\n\/* ================================================================\n   TABLES \u2014 industrial cold theme\n   ================================================================ *\/\n.tbl-w{overflow-x:auto;margin:17px 0 24px;border:1px solid var(--fc-border);border-radius:4px;box-shadow:var(--fc-shadow)}\n.tbl-w table{width:100%;min-width:580px;border-collapse:collapse;font-size:13.2px}\n.tbl-w caption{text-align:left;padding:10px 14px;font-weight:700;font-size:13.5px;color:var(--fc-text-heading);background:var(--fc-bg-alt);border-bottom:1px solid var(--fc-border)}\n.tbl-w thead th{background:var(--fc-bg-tbl-head);color:var(--fc-text-on-dark);font-weight:600;text-align:left;padding:9px 13px;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;border-bottom:2px solid var(--fc-frost-accent)}\n.tbl-w tbody td{padding:8px 13px;border-bottom:1px solid var(--fc-border-lt);color:var(--fc-text);vertical-align:top}\n.tbl-w tbody tr:nth-child(even) td{background:var(--fc-bg-tbl-stripe)}\n.tbl-w tbody tr:last-child td{border-bottom:none}\n.v-ok{color:var(--fc-green);font-weight:600}\n.v-diff{color:var(--fc-orange);font-weight:600}\n.v-warn{color:var(--fc-red);font-weight:600}\n.v-cold{color:var(--fc-blue);font-weight:600}\n\n\/* ================================================================\n   CALLOUT BOXES\n   ================================================================ *\/\n.fc-info{background:var(--fc-bg-callout);border-left:4px solid var(--fc-accent);padding:14px 17px;margin:20px 0;border-radius:0 4px 4px 0;font-size:13.5px}\n.fc-warn{background:var(--fc-bg-warn);border-left:4px solid var(--fc-orange);padding:14px 17px;margin:20px 0;border-radius:0 4px 4px 0;font-size:13.5px}\n.fc-danger{background:var(--fc-bg-danger);border-left:4px solid var(--fc-red);padding:14px 17px;margin:20px 0;border-radius:0 4px 4px 0;font-size:13.5px}\n.fc-success{background:var(--fc-bg-success);border-left:4px solid var(--fc-green);padding:14px 17px;margin:20px 0;border-radius:0 4px 4px 0;font-size:13.5px}\n.fc-frost{background:var(--fc-bg-frost);border-left:4px solid var(--fc-frost-accent);padding:14px 17px;margin:20px 0;border-radius:0 4px 4px 0;font-size:13.5px}\n.fc-info strong,.fc-warn strong,.fc-danger strong,.fc-success strong,.fc-frost strong{color:var(--fc-text-heading)}\n\n\/* ================================================================\n   BADGES\n   ================================================================ *\/\n.badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:2px;letter-spacing:.02em}\n.badge-ok{background:var(--fc-bg-success);color:var(--fc-green)}\n.badge-cold{background:var(--fc-bg-frost);color:var(--fc-frost-accent)}\n\n\/* ================================================================\n   LINKS\n   ================================================================ *\/\n.fc-wrap a{color:var(--fc-link);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s}\n.fc-wrap a:hover{color:var(--fc-link-hover);border-bottom-color:var(--fc-link-hover)}\n\n\/* ================================================================\n   REFERENCES\n   ================================================================ *\/\n.fc-refs{margin:20px 0;padding:17px 20px;background:var(--fc-bg-alt);border:1px solid var(--fc-border-lt);border-radius:4px;font-size:12.5px}\n.fc-refs p{margin-bottom:6px;color:var(--fc-text-muted);line-height:1.6}\n.fc-refs p:last-child{margin-bottom:0}\n\n\/* ================================================================\n   CONTACT CARD\n   ================================================================ *\/\n.fc-cta{display:grid;grid-template-columns:1fr;gap:10px;margin:24px 0;padding:20px;background:var(--fc-bg-alt);border:1px solid var(--fc-border);border-radius:4px}\n@media(min-width:600px){.fc-cta{grid-template-columns:1fr 1fr}}\n.fc-cta__item{display:flex;flex-direction:column;gap:2px}\n.fc-cta__lbl{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--fc-text-muted);font-weight:600}\n.fc-cta__val{font-size:13.5px;color:var(--fc-text);word-break:break-all}\n\n\/* WhatsApp button *\/\n.wa-btn{display:inline-flex;align-items:center;gap:7px;background:#25d366;color:#fff;font-weight:600;font-size:13.5px;padding:9px 20px;border-radius:4px;text-decoration:none;border:none;transition:background .15s}\n.wa-btn:hover{background:#1da851;color:#fff;border-bottom-color:transparent}\n.wa-btn svg{width:18px;height:18px;fill:#fff;flex-shrink:0}\n\n\/* ================================================================\n   FOOTER\n   ================================================================ *\/\n.fc-footer{margin-top:42px;padding-top:20px;border-top:1px solid var(--fc-border-lt);font-size:12px;color:var(--fc-text-muted);text-align:center}\n<\/style>\n<\/head>\n<body>\n\n<article class=\"fc-wrap\" itemscope itemtype=\"https:\/\/schema.org\/TechArticle\">\n\n<!-- ==================== HERO ==================== -->\n<header class=\"fc-hero\">\n  <span class=\"fc-hero__badge\">Technical Bulletin \u00b7 \u6280\u672f\u4e13\u520a \u00b7 \u2744\ufe0f \u221240 \u00b0C<\/span>\n  <h1 itemprop=\"headline\">Cold Flexibility: Nexans RHEYCORD\u00ae (R) vs. (N)TSCGEW\u00d6U Cold-Resistant \u2014 Performance Comparison at \u221240 \u00b0C<\/h1>\n  <p class=\"cn\">\u4f4e\u6e29\u67d4\u6027\u5bf9\u6bd4\uff1aNexans RHEYCORD\u00ae (R) \u4e0e (N)TSCGEW\u00d6U \u8010\u5bd2\u578b\u5377\u7b52\u7535\u7f06 \u2014 \u5728 \u221240 \u00b0C \u4e0b\u7684\u6027\u80fd\u6bd4\u8f83<\/p>\n  <div class=\"fc-meta\">\n    <span itemprop=\"author\" itemscope itemtype=\"https:\/\/schema.org\/Organization\"><span itemprop=\"name\">Anhui Feichun Special Cable Co., Ltd. \u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/span><\/span>\n    <span>|<\/span>\n    <span><time itemprop=\"datePublished\" datetime=\"2026-02-09\">February 2026<\/time><\/span>\n    <span>|<\/span>\n    <span>Reading \u2248 16 min<\/span>\n  <\/div>\n<\/header>\n\n<!-- ==================== 1. EXECUTIVE SUMMARY ==================== -->\n<section>\n  <h2>1. Executive Summary <span class=\"cn-sub\">\u6982\u8ff0<\/span><\/h2>\n\n  <p>Reeling and trailing cables operating in Arctic mining sites, Scandinavian ports, Canadian open-pit mines, and high-altitude construction zones routinely face sustained ambient temperatures of \u221230 \u00b0C to \u221250 \u00b0C. At these temperatures, standard rubber compounds undergo a dramatic loss of flexibility \u2014 the polymer chains lose their segmental mobility as the material approaches its glass transition temperature (Tg). A cable that bends easily at +20 \u00b0C can become rigid enough to crack at \u221240 \u00b0C if its sheath and insulation compounds are not specifically formulated for cold service.\n  <span class=\"cn-i\">\uff08\u5728\u5317\u6781\u77ff\u533a\u3001\u65af\u582a\u7684\u7eb3\u7ef4\u4e9a\u6e2f\u53e3\u3001\u52a0\u62ff\u5927\u9732\u5929\u77ff\u5c71\u548c\u9ad8\u6d77\u62d4\u65bd\u5de5\u533a\u57df\u8fd0\u884c\u7684\u5377\u7b52\u548c\u62d6\u7f06\u7ecf\u5e38\u9762\u5bf9 \u221230 \u00b0C \u81f3 \u221250 \u00b0C \u7684\u6301\u7eed\u4f4e\u6e29\u73af\u5883\u3002\u5728\u8fd9\u4e9b\u6e29\u5ea6\u4e0b\uff0c\u6807\u51c6\u6a61\u80f6\u5316\u5408\u7269\u4f1a\u6025\u5267\u4e27\u5931\u67d4\u6027\u2014\u2014\u805a\u5408\u7269\u94fe\u5728\u6750\u6599\u63a5\u8fd1\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff08Tg\uff09\u65f6\u5931\u53bb\u94fe\u6bb5\u8fd0\u52a8\u80fd\u529b\u3002\uff09<\/span><\/p>\n\n  <p>This technical bulletin compares two prominent German-engineered reeling cable families \u2014 the Nexans RHEYCORD\u00ae (R) series (NSHTOEU-J, 0.6\/1 kV) and the (N)TSCGEW\u00d6U medium-voltage reeling cable (3.6\/6 kV to 18\/30 kV) \u2014 specifically in terms of their cold-flexibility performance at \u221240 \u00b0C and below. Both cable types are manufactured to DIN VDE 0250 and are widely specified for cranes, mining equipment, tunnel boring machines, and port machinery. Anhui Feichun Special Cable Co., Ltd. produces functionally equivalent cables to both families with enhanced cold-flexibility options, and this article provides the technical data engineers need to evaluate substitution for extreme-cold applications.\n  <span class=\"cn-i\">\uff08\u672c\u6587\u6bd4\u8f83\u4e24\u5927\u77e5\u540d\u5fb7\u56fd\u5de5\u7a0b\u5377\u7b52\u7535\u7f06\u7cfb\u5217 \u2014 Nexans RHEYCORD\u00ae (R) \u7cfb\u5217\uff08NSHTOEU-J\uff0c0.6\/1 kV\uff09\u4e0e (N)TSCGEW\u00d6U \u4e2d\u538b\u5377\u7b52\u7535\u7f06\uff083.6\/6 kV \u81f3 18\/30 kV\uff09\u2014 \u7279\u522b\u5173\u6ce8\u5176\u5728 \u221240 \u00b0C \u53ca\u4ee5\u4e0b\u6e29\u5ea6\u7684\u4f4e\u6e29\u67d4\u6027\u8868\u73b0\u3002\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u751f\u4ea7\u4e24\u7cfb\u5217\u7684\u529f\u80fd\u7b49\u6548\u4ea7\u54c1\uff0c\u5e76\u63d0\u4f9b\u589e\u5f3a\u578b\u8010\u5bd2\u9009\u9879\u3002\uff09<\/span><\/p>\n<\/section>\n\n<!-- ==================== 2. WHY COLD FLEXIBILITY MATTERS ==================== -->\n<section>\n  <h2>2. Why Cold Flexibility Is Critical for Reeling Cables <span class=\"cn-sub\">\u4f4e\u6e29\u67d4\u6027\u5bf9\u5377\u7b52\u7535\u7f06\u4e3a\u4f55\u81f3\u5173\u91cd\u8981<\/span><\/h2>\n\n  <h3>2.1 The Physics of Polymer Stiffening <span class=\"cn-i\">\u805a\u5408\u7269\u786c\u5316\u7684\u7269\u7406\u673a\u7406<\/span><\/h3>\n  <p>Every elastomeric compound \u2014 whether EPR (ethylene propylene rubber), EPDM (ethylene propylene diene monomer), PCP (polychloroprene), or thermoplastic polyurethane (TPU) \u2014 has a characteristic glass transition temperature (Tg). Below Tg, the amorphous polymer transitions from a rubbery, flexible state to a glassy, brittle state. For standard EPR\/EPDM compounds used in cable insulation, Tg typically lies between \u221250 \u00b0C and \u221260 \u00b0C, providing a useful flexibility margin down to approximately \u221240 \u00b0C. Standard PCP (Neoprene) sheath compounds, however, have a higher Tg of approximately \u221235 \u00b0C to \u221240 \u00b0C, meaning they begin to stiffen significantly at temperatures that the insulation can still tolerate. This mismatch between insulation and sheath cold performance is the root cause of many cold-weather cable failures.\n  <span class=\"cn-i\">\uff08\u6bcf\u79cd\u5f39\u6027\u4f53\u5316\u5408\u7269\u90fd\u6709\u5176\u7279\u5f81\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff08Tg\uff09\u3002\u6807\u51c6 EPR\/EPDM \u7edd\u7f18\u6599\u7684 Tg \u901a\u5e38\u5728 \u221250 \u00b0C \u81f3 \u221260 \u00b0C \u4e4b\u95f4\uff0c\u4f46\u6807\u51c6 PCP\uff08\u6c2f\u4e01\u6a61\u80f6\uff09\u62a4\u5957\u6599\u7684 Tg \u7ea6\u4e3a \u221235 \u00b0C \u81f3 \u221240 \u00b0C\uff0c\u8fd9\u4e00\u4e0d\u5339\u914d\u662f\u8bb8\u591a\u4f4e\u6e29\u7535\u7f06\u6545\u969c\u7684\u6839\u672c\u539f\u56e0\u3002\uff09<\/span><\/p>\n\n  <h3>2.2 Mechanical Consequences of Cold Stiffness <span class=\"cn-i\">\u4f4e\u6e29\u786c\u5316\u7684\u673a\u68b0\u540e\u679c<\/span><\/h3>\n  <p>When a reeling cable winds onto or unwinds from a drum at \u221240 \u00b0C, it undergoes repeated bending at a radius as tight as 10\u201315 times the cable&#8217;s outer diameter. If the sheath compound has become semi-rigid, three failure modes emerge: micro-cracking of the outer sheath surface (allowing moisture ingress and corrosion of internal braids and screens), delamination between insulation layers and the conductor bedding, and in severe cases, brittle fracture of the sheath during high-speed reeling. All three failure modes compromise the cable&#8217;s electrical integrity, mechanical strength, and remaining service life. The economic consequences are severe \u2014 an unplanned cable replacement on a ship-to-shore crane or a mining excavator can cost upwards of USD 50,000 including crane downtime.\n  <span class=\"cn-i\">\uff08\u5f53\u5377\u7b52\u7535\u7f06\u5728 \u221240 \u00b0C \u4e0b\u5377\u6536\u6216\u91ca\u653e\u65f6\uff0c\u4f1a\u4ee5\u4f4e\u81f3 10\u201315 \u500d\u5916\u5f84\u7684\u5f2f\u66f2\u534a\u5f84\u53cd\u590d\u5f2f\u66f2\u3002\u62a4\u5957\u5316\u5408\u7269\u53d8\u5f97\u534a\u521a\u6027\u540e\uff0c\u4f1a\u51fa\u73b0\u4e09\u79cd\u5931\u6548\u6a21\u5f0f\uff1a\u5916\u62a4\u5957\u5fae\u88c2\u7eb9\u3001\u7edd\u7f18\u5c42\u5206\u5c42\u8131\u7c98\uff0c\u4ee5\u53ca\u9ad8\u901f\u5377\u6536\u65f6\u7684\u8106\u6027\u65ad\u88c2\u3002\u975e\u8ba1\u5212\u66f4\u6362\u7535\u7f06\u7684\u6210\u672c\u53ef\u80fd\u8d85\u8fc7 50,000 \u7f8e\u5143\u3002\uff09<\/span><\/p>\n\n  <h3>2.3 IEC Cold-Performance Test Framework <span class=\"cn-i\">IEC \u4f4e\u6e29\u6027\u80fd\u6d4b\u8bd5\u6846\u67b6<\/span><\/h3>\n  <p>The IEC 60811 series provides three standardized tests to evaluate cable performance at low temperatures. IEC 60811-504 (Cold Bend Test) assesses whether insulation and sheath materials crack when wound around a mandrel at the specified test temperature \u2014 the cable sample is conditioned in a cryogenic chamber for a minimum of 16 hours, then wound according to specified turns while still at test temperature. IEC 60811-505 (Cold Elongation Test) applies to cables with outer diameter exceeding 12.5 mm, measuring whether the material can achieve at least 20% elongation before rupture at the test temperature. IEC 60811-506 (Cold Impact Test) drops a weighted hammer from 100 mm height onto the conditioned cable to verify resistance to mechanical shock at low temperature. A cable rated for &#8220;\u221240 \u00b0C mobile service&#8221; must pass all three tests at \u221240 \u00b0C without any visible cracking.\n  <span class=\"cn-i\">\uff08IEC 60811 \u7cfb\u5217\u63d0\u4f9b\u4e09\u9879\u6807\u51c6\u5316\u4f4e\u6e29\u6d4b\u8bd5\uff1aIEC 60811-504\uff08\u4f4e\u6e29\u5f2f\u66f2\u6d4b\u8bd5\uff09\u3001IEC 60811-505\uff08\u4f4e\u6e29\u62c9\u4f38\u6d4b\u8bd5\uff09\u548c IEC 60811-506\uff08\u4f4e\u6e29\u51b2\u51fb\u6d4b\u8bd5\uff09\u3002\u6807\u6ce8 &#8220;\u221240 \u00b0C \u79fb\u52a8\u4f7f\u7528&#8221; \u7684\u7535\u7f06\u5fc5\u987b\u5728 \u221240 \u00b0C \u4e0b\u901a\u8fc7\u6240\u6709\u4e09\u9879\u6d4b\u8bd5\u4e14\u65e0\u53ef\u89c1\u88c2\u7eb9\u3002\uff09<\/span><\/p>\n\n  <div class=\"fc-frost\">\n    <strong>\u2744\ufe0f Temperature Terminology Clarification \u6e29\u5ea6\u672f\u8bed\u8bf4\u660e\uff1a<\/strong> Cable datasheets typically specify two separate temperature ranges: &#8220;fixed installation&#8221; (cable is stationary, no bending) and &#8220;mobile service&#8221; or &#8220;flexible use&#8221; (cable is being actively bent, reeled, or dragged). The mobile service minimum is always warmer than the fixed installation minimum because bending imposes far greater mechanical stress on cold-stiffened compounds.\n    <span class=\"cn-i\">\uff08\u7535\u7f06\u6570\u636e\u8868\u901a\u5e38\u6807\u6ce8\u4e24\u4e2a\u72ec\u7acb\u7684\u6e29\u5ea6\u8303\u56f4\uff1a&#8221;\u56fa\u5b9a\u6577\u8bbe&#8221;\uff08\u7535\u7f06\u9759\u6b62\u4e0d\u5f2f\u66f2\uff09\u548c&#8221;\u79fb\u52a8\u4f7f\u7528&#8221;\uff08\u7535\u7f06\u6b63\u5728\u5f2f\u66f2\u3001\u5377\u6536\u6216\u62d6\u62fd\uff09\u3002\u79fb\u52a8\u4f7f\u7528\u6700\u4f4e\u6e29\u5ea6\u59cb\u7ec8\u9ad8\u4e8e\u56fa\u5b9a\u6577\u8bbe\u6700\u4f4e\u6e29\u5ea6\u3002\uff09<\/span>\n  <\/div>\n<\/section>\n\n<!-- ==================== 3. RHEYCORD OVERVIEW ==================== -->\n<section>\n  <h2>3. Nexans RHEYCORD\u00ae (R) NSHTOEU-J \u2014 Technical Overview <span class=\"cn-sub\">Nexans RHEYCORD\u00ae (R) NSHTOEU-J \u6280\u672f\u6982\u8ff0<\/span><\/h2>\n\n  <p>The Nexans RHEYCORD\u00ae NSHTOEU-J is a rubber-sheathed reeling cable rated at 0.6\/1 (1.2) kV, designed for control and power supply applications under high mechanical stress with simultaneous tensile and torsional loading. It is manufactured in accordance with DIN VDE 0250 Part 814 and carries VDE approval (UL File ZMHX.E305416). The &#8220;RTS&#8221; variant \u2014 RHEYCORD\u00ae (RTS) (N)SHTOEU-J \u2014 is the extra heavy-duty version with enhanced torsional resistance, intended for spreader reeling and hoisting systems on STS cranes.\n  <span class=\"cn-i\">\uff08Nexans RHEYCORD\u00ae NSHTOEU-J \u662f\u989d\u5b9a 0.6\/1 (1.2) kV \u7684\u6a61\u80f6\u62a4\u5957\u5377\u7b52\u7535\u7f06\uff0c\u7b26\u5408 DIN VDE 0250 Part 814\u3002&#8221;RTS&#8221; \u53d8\u578b\u4e3a\u8d85\u91cd\u578b\u7248\u672c\uff0c\u5177\u6709\u589e\u5f3a\u7684\u6297\u626d\u6027\u80fd\u3002\uff09<\/span><\/p>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 1 \u2014 Nexans RHEYCORD\u00ae NSHTOEU-J Key Parameters &nbsp;|&nbsp; \u8868 1 \u2014 RHEYCORD\u00ae NSHTOEU-J \u5173\u952e\u53c2\u6570<\/caption>\n      <thead>\n        <tr><th>Parameter \u53c2\u6570<\/th><th>Specification \u89c4\u683c<\/th><th>Standard \u6807\u51c6<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>Conductor \u5bfc\u4f53<\/td><td>Flexible stranded tinned copper, Class 5<\/td><td>IEC 60228 \/ DIN VDE 0295<\/td><\/tr>\n        <tr><td>Insulation \u7edd\u7f18<\/td><td>EPR rubber compound 3GI3<\/td><td>DIN VDE 0207 Part 20<\/td><\/tr>\n        <tr><td>Inner Sheath \u5185\u62a4\u5957<\/td><td>Rubber compound 5GM3\/GM1b<\/td><td>DIN VDE 0207 Part 21<\/td><\/tr>\n        <tr><td>Anti-torsion Braid \u6297\u626d\u7f16\u7ec7<\/td><td>Integrated in sheath<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Outer Sheath \u5916\u62a4\u5957<\/td><td>Chlorinated rubber compound 5GM5<\/td><td>DIN VDE 0207 Part 21<\/td><\/tr>\n        <tr><td>Rated Voltage U\u2080\/U (Um)<\/td><td>0.6\/1 (1.2) kV<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Max. Conductor Temp. \u6700\u9ad8\u5bfc\u4f53\u6e29\u5ea6<\/td><td>+90 \u00b0C<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Ambient Temp. (fixed) \u73af\u5883\u6e29\u5ea6\uff08\u56fa\u5b9a\uff09<\/td><td class=\"v-cold\">\u221240 \u00b0C to +80 \u00b0C<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Ambient Temp. (mobile) \u73af\u5883\u6e29\u5ea6\uff08\u79fb\u52a8\uff09<\/td><td class=\"v-diff\">\u221225 \u00b0C to +60 \u00b0C (standard) \/ \u221235 \u00b0C (enhanced)<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Oil Resistance \u8010\u6cb9<\/td><td>Yes \u2014 EN 60811-2-1<\/td><td>EN 60811-2-1<\/td><\/tr>\n        <tr><td>Flame Retardant \u963b\u71c3<\/td><td>IEC 60332-1-2<\/td><td>IEC 60332-1-2<\/td><\/tr>\n        <tr><td>UV \/ Ozone Resistance<\/td><td>Yes<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Approval \u8ba4\u8bc1<\/td><td>VDE; UL File ZMHX.E305416<\/td><td>DIN VDE 0250 Part 814<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"fc-info\">\n    <strong>Key Observation \u5173\u952e\u53d1\u73b0\uff1a<\/strong> The standard RHEYCORD\u00ae NSHTOEU-J is rated for mobile service down to \u221225 \u00b0C (with some enhanced grades reaching \u221235 \u00b0C), and for fixed installation down to \u221240 \u00b0C. This means that at \u221240 \u00b0C, the standard cable <em>should not be subjected to bending, reeling, or torsional loading<\/em> \u2014 it is only rated for static (non-moving) installation at this temperature.\n    <span class=\"cn-i\">\uff08\u6807\u51c6 RHEYCORD\u00ae NSHTOEU-J \u7684\u79fb\u52a8\u4f7f\u7528\u6700\u4f4e\u6e29\u5ea6\u4e3a \u221225 \u00b0C\uff08\u589e\u5f3a\u578b\u53ef\u8fbe \u221235 \u00b0C\uff09\uff0c\u56fa\u5b9a\u6577\u8bbe\u6700\u4f4e\u6e29\u5ea6\u4e3a \u221240 \u00b0C\u3002\u8fd9\u610f\u5473\u7740\u5728 \u221240 \u00b0C \u4e0b\uff0c\u6807\u51c6\u7535\u7f06\u4e0d\u5e94\u627f\u53d7\u5f2f\u66f2\u3001\u5377\u6536\u6216\u626d\u8f6c\u8f7d\u8377\u3002\uff09<\/span>\n  <\/div>\n<\/section>\n\n<!-- ==================== 4. NTSCGEW\u00d6U OVERVIEW ==================== -->\n<section>\n  <h2>4. (N)TSCGEW\u00d6U \u2014 Medium-Voltage Cold-Resistant Reeling Cable <span class=\"cn-sub\">(N)TSCGEW\u00d6U \u2014 \u4e2d\u538b\u8010\u5bd2\u5377\u7b52\u7535\u7f06\u6280\u672f\u6982\u8ff0<\/span><\/h2>\n\n  <p>The (N)TSCGEW\u00d6U is a medium-voltage reeling cable manufactured to DIN VDE 0250 Part 813, designed for power supply to tunnel boring machines, mining excavators, mobile crushers, and heavy material handling equipment. The German designation decodes as: (N) = national standard, T = thermosetting compound, SC = semi-conductive screen, GE = galvanized steel (earth braid), W = weather\/moisture resistant, \u00d6U = oil-resistant outer sheath. These cables operate at voltages from 3.6\/6 kV to 18\/30 kV and must withstand extreme mechanical stresses including tensile loads up to 30 N\/mm\u00b2, torsion, and multi-plane deflection.\n  <span class=\"cn-i\">\uff08(N)TSCGEW\u00d6U \u662f\u6309 DIN VDE 0250 Part 813 \u5236\u9020\u7684\u4e2d\u538b\u5377\u7b52\u7535\u7f06\uff0c\u7528\u4e8e\u76fe\u6784\u673a\u3001\u77ff\u7528\u6316\u6398\u673a\u548c\u91cd\u578b\u7269\u6599\u642c\u8fd0\u8bbe\u5907\u7684\u4f9b\u7535\u3002\u7535\u538b\u7b49\u7ea7\u4ece 3.6\/6 kV \u5230 18\/30 kV\u3002\uff09<\/span><\/p>\n\n  <p>Critically, the (N)TSCGEW\u00d6U is available in a cold-resistant &#8220;K&#8221; variant \u2014 designated (N)TSCGEW\u00d6U-K \u2014 which employs specially compounded elastomers with depressed glass transition temperatures for both insulation and sheath layers. The Tratos MTO\u00ae-TDM datasheet documents the &#8220;K&#8221; variant as being suitable for a temperature range of \u221260 \u00b0C to +60 \u00b0C in mobile service, representing a substantial improvement over the standard variant&#8217;s \u221225 \u00b0C mobile service limit.\n  <span class=\"cn-i\">\uff08(N)TSCGEW\u00d6U \u63d0\u4f9b\u8010\u5bd2 &#8220;K&#8221; \u53d8\u578b\u2014\u2014(N)TSCGEW\u00d6U-K\u2014\u2014\u91c7\u7528\u7279\u6b8a\u914d\u65b9\u7684\u4f4e Tg \u5f39\u6027\u4f53\u3002Tratos \u7684\u6280\u672f\u6570\u636e\u8868\u8bb0\u5f55 &#8220;K&#8221; \u53d8\u578b\u79fb\u52a8\u4f7f\u7528\u6e29\u5ea6\u8303\u56f4\u4e3a \u221260 \u00b0C \u81f3 +60 \u00b0C\u3002\uff09<\/span><\/p>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 2 \u2014 (N)TSCGEW\u00d6U Standard vs. Cold-Resistant &#8220;K&#8221; Variant &nbsp;|&nbsp; \u8868 2 \u2014 (N)TSCGEW\u00d6U \u6807\u51c6\u578b vs. \u8010\u5bd2 &#8220;K&#8221; \u578b<\/caption>\n      <thead>\n        <tr><th>Parameter \u53c2\u6570<\/th><th>Standard (N)TSCGEW\u00d6U<\/th><th>(N)TSCGEW\u00d6U-K (Cold)<\/th><th>Standard \u6807\u51c6<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>Conductor \u5bfc\u4f53<\/td><td>Tinned copper, Class 5<\/td><td>Tinned copper, Class 5<\/td><td>IEC 60228 \/ DIN VDE 0295<\/td><\/tr>\n        <tr><td>Insulation \u7edd\u7f18<\/td><td>EPR compound 3GI3<\/td><td>Cold-grade EPR (low-Tg formulation)<\/td><td>DIN VDE 0207 Part 20<\/td><\/tr>\n        <tr><td>Insulation Screen \u7edd\u7f18\u5c4f\u853d<\/td><td>Semi-conductive layer \u2264 200 \u03a9\u00b7m<\/td><td>Semi-conductive layer \u2264 200 \u03a9\u00b7m<\/td><td>DIN VDE 0250 Part 813<\/td><\/tr>\n        <tr><td>Inner Sheath \u5185\u62a4\u5957<\/td><td>Compound 5GM3<\/td><td>Cold-grade compound 5GM3-K<\/td><td>DIN VDE 0207 Part 21<\/td><\/tr>\n        <tr><td>Anti-torsion Braid \u6297\u626d\u7f16\u7ec7<\/td><td>Polyamide threads between sheath layers<\/td><td>Polyamide threads<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Outer Sheath \u5916\u62a4\u5957<\/td><td>Compound 5GM5 or 5GM3<\/td><td>Cold-grade 5GM5-K<\/td><td>DIN VDE 0207 Part 21<\/td><\/tr>\n        <tr><td>Rated Voltage U\u2080\/U<\/td><td>3.6\/6 kV to 18\/30 kV<\/td><td>3.6\/6 kV to 12\/20 kV<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Fixed Install. \u56fa\u5b9a\u6577\u8bbe<\/td><td class=\"v-cold\">\u221240 \u00b0C to +90 \u00b0C<\/td><td class=\"v-cold\">\u221260 \u00b0C to +60 \u00b0C<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Mobile Service \u79fb\u52a8\u4f7f\u7528<\/td><td class=\"v-diff\">\u221225 \u00b0C to +90 \u00b0C<\/td><td class=\"v-ok\">\u221260 \u00b0C to +60 \u00b0C<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Max. Travel Speed \u6700\u5927\u884c\u8d70\u901f\u5ea6<\/td><td>60 m\/min<\/td><td>60 m\/min<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Max. Conductor Temp. \u5bfc\u4f53\u6e29\u5ea6<\/td><td>+90 \u00b0C<\/td><td>+90 \u00b0C<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Short-Circuit Temp. \u77ed\u8def\u6e29\u5ea6<\/td><td>+250 \u00b0C (5 s)<\/td><td>+250 \u00b0C (5 s)<\/td><td>\u2014<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/section>\n\n<!-- ==================== 5. HEAD-TO-HEAD COMPARISON ==================== -->\n<section>\n  <h2>5. Head-to-Head Cold-Flexibility Comparison at \u221240 \u00b0C <span class=\"cn-sub\">\u221240 \u00b0C \u4f4e\u6e29\u67d4\u6027\u6b63\u9762\u5bf9\u6bd4<\/span><\/h2>\n\n  <p>The following table presents a direct parameter-by-parameter comparison of the two cable families at the critical \u221240 \u00b0C threshold, along with Feichun&#8217;s equivalent cold-grade offerings.\n  <span class=\"cn-i\">\uff08\u4e0b\u8868\u5728\u5173\u952e\u7684 \u221240 \u00b0C \u9608\u503c\u4e0b\u9010\u9879\u5bf9\u6bd4\u4e24\u5927\u7535\u7f06\u7cfb\u5217\uff0c\u5e76\u5217\u51fa\u98de\u7eaf\u7684\u7b49\u6548\u8010\u5bd2\u4ea7\u54c1\u53c2\u6570\u3002\uff09<\/span><\/p>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 3 \u2014 Cold Performance Comparison at \u221240 \u00b0C &nbsp;|&nbsp; \u8868 3 \u2014 \u221240 \u00b0C \u4f4e\u6e29\u6027\u80fd\u5bf9\u6bd4<\/caption>\n      <thead>\n        <tr><th>Parameter \u53c2\u6570<\/th><th>RHEYCORD\u00ae NSHTOEU-J (Standard)<\/th><th>(N)TSCGEW\u00d6U-K (Cold)<\/th><th>Feichun FC-CORD-K \/ FC-TSCGEW\u00d6U-K<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>Voltage Class \u7535\u538b\u7b49\u7ea7<\/td><td>0.6\/1 kV<\/td><td>3.6\/6 kV \u2013 18\/30 kV<\/td><td>0.6\/1 kV \/ 3.6\/6 kV \u2013 18\/30 kV<\/td><\/tr>\n        <tr><td>Bending at \u221240 \u00b0C \u5f2f\u66f2<\/td><td class=\"v-warn\">NOT rated (fixed only at \u221240 \u00b0C)<\/td><td class=\"v-ok\">RATED \u2014 mobile to \u221260 \u00b0C<\/td><td class=\"v-ok\">RATED \u2014 mobile to \u221250 \u00b0C (\u221260 \u00b0C optional)<\/td><\/tr>\n        <tr><td>Cold Bend Test (IEC 60811-504)<\/td><td class=\"v-diff\">Pass at \u221225 \u00b0C (standard)<\/td><td class=\"v-ok\">Pass at \u221260 \u00b0C<\/td><td class=\"v-ok\">Pass at \u221250 \u00b0C (\u221260 \u00b0C on request)<\/td><\/tr>\n        <tr><td>Cold Impact Test (IEC 60811-506)<\/td><td class=\"v-diff\">Pass at \u221225 \u00b0C<\/td><td class=\"v-ok\">Pass at \u221260 \u00b0C<\/td><td class=\"v-ok\">Pass at \u221250 \u00b0C<\/td><\/tr>\n        <tr><td>Cold Elongation (IEC 60811-505)<\/td><td class=\"v-diff\">\u2265 20% at \u221225 \u00b0C<\/td><td class=\"v-ok\">\u2265 20% at \u221250 \u00b0C<\/td><td class=\"v-ok\">\u2265 20% at \u221250 \u00b0C<\/td><\/tr>\n        <tr><td>Insulation Compound \u7edd\u7f18\u6599<\/td><td>EPR 3GI3 (standard Tg \u2248 \u221255 \u00b0C)<\/td><td>Cold-grade EPR (Tg \u2248 \u221265 \u00b0C)<\/td><td>Cold-grade EPR\/EPDM (Tg \u2248 \u221265 \u00b0C)<\/td><\/tr>\n        <tr><td>Sheath Compound \u62a4\u5957\u6599<\/td><td>5GM5 (Tg \u2248 \u221238 \u00b0C)<\/td><td>5GM5-K (Tg \u2248 \u221255 \u00b0C)<\/td><td>Cold-grade 5GM5-K equiv. (Tg \u2248 \u221255 \u00b0C)<\/td><\/tr>\n        <tr><td>Min. Bending Radius at \u221240 \u00b0C<\/td><td class=\"v-warn\">Not applicable (no bending)<\/td><td class=\"v-ok\">12\u201315 \u00d7 OD<\/td><td class=\"v-ok\">12 \u00d7 OD<\/td><\/tr>\n        <tr><td>Reeling Speed at \u221240 \u00b0C<\/td><td class=\"v-warn\">0 m\/min (static only)<\/td><td class=\"v-ok\">Up to 60 m\/min<\/td><td class=\"v-ok\">Up to 60 m\/min<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"fc-danger\">\n    <strong>Critical Engineering Insight \u5173\u952e\u5de5\u7a0b\u8981\u70b9\uff1a<\/strong> At \u221240 \u00b0C, the standard RHEYCORD\u00ae NSHTOEU-J must NOT be subjected to dynamic bending. Its sheath compound 5GM5 approaches its glass transition temperature at this point, and forced bending will cause surface micro-cracking, leading to progressive moisture ingress and insulation degradation. If your application requires active reeling at \u221240 \u00b0C, you must specify either the (N)TSCGEW\u00d6U-K variant or Feichun&#8217;s FC-CORD-K \/ FC-TSCGEW\u00d6U-K cold-grade equivalents.\n    <span class=\"cn-i\">\uff08\u5728 \u221240 \u00b0C \u4e0b\uff0c\u6807\u51c6 RHEYCORD\u00ae NSHTOEU-J \u4e0d\u5f97\u627f\u53d7\u52a8\u6001\u5f2f\u66f2\u3002\u5176\u62a4\u5957\u6599 5GM5 \u5728\u8be5\u6e29\u5ea6\u70b9\u63a5\u8fd1\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff0c\u5f3a\u5236\u5f2f\u66f2\u5c06\u5bfc\u81f4\u8868\u9762\u5fae\u88c2\u7eb9\u3002\u5982\u679c\u5e94\u7528\u9700\u8981\u5728 \u221240 \u00b0C \u4e0b\u4e3b\u52a8\u5377\u6536\uff0c\u5fc5\u987b\u9009\u7528 (N)TSCGEW\u00d6U-K \u6216\u98de\u7eaf FC-CORD-K \/ FC-TSCGEW\u00d6U-K \u8010\u5bd2\u7b49\u7ea7\u4ea7\u54c1\u3002\uff09<\/span>\n  <\/div>\n<\/section>\n\n<!-- ==================== 6. COMPOUND ENGINEERING ==================== -->\n<section>\n  <h2>6. Compound Engineering: How Cold-Grade Compounds Achieve \u221240 \u00b0C Flexibility <span class=\"cn-sub\">\u5316\u5408\u7269\u5de5\u7a0b\uff1a\u8010\u5bd2\u914d\u65b9\u5982\u4f55\u5b9e\u73b0 \u221240 \u00b0C \u67d4\u6027<\/span><\/h2>\n\n  <p>The key to cold-flexible reeling cable performance lies in the formulation of both the insulation and sheath compounds. Standard EPR\/EPDM insulation already has a naturally low Tg (around \u221255 \u00b0C), providing reasonable cold flexibility. The challenge is the outer sheath \u2014 standard chlorinated rubber (CR) compound 5GM5, which uses polychloroprene (Neoprene) as its base polymer, has a Tg of approximately \u221238 \u00b0C and becomes noticeably stiff below \u221230 \u00b0C.\n  <span class=\"cn-i\">\uff08\u8010\u5bd2\u5377\u7b52\u7535\u7f06\u6027\u80fd\u7684\u5173\u952e\u5728\u4e8e\u7edd\u7f18\u548c\u62a4\u5957\u5316\u5408\u7269\u7684\u914d\u65b9\u3002\u6807\u51c6 EPR\/EPDM \u7edd\u7f18\u5df2\u5177\u6709\u8f83\u4f4e\u7684 Tg\uff08\u7ea6 \u221255 \u00b0C\uff09\uff0c\u4f46\u5916\u62a4\u5957\u6807\u51c6\u6c2f\u5316\u6a61\u80f6 5GM5 \u7684 Tg \u7ea6\u4e3a \u221238 \u00b0C\uff0c\u5728 \u221230 \u00b0C \u4ee5\u4e0b\u660e\u663e\u53d8\u786c\u3002\uff09<\/span><\/p>\n\n  <p>Cold-grade compounds (designated with the &#8220;-K&#8221; suffix in VDE nomenclature) achieve their enhanced low-temperature performance through several strategies. First, base polymer selection shifts from standard polychloroprene to blends incorporating polybutadiene rubber (BR) or ethylene-propylene terpolymer, which have intrinsically lower Tg values. Second, plasticizer systems are reformulated with low-pour-point ester plasticizers that maintain flexibility to \u221260 \u00b0C. Third, filler loading is optimized \u2014 reducing carbon black content from 40\u201350 phr (parts per hundred rubber) to 25\u201335 phr decreases compound stiffness at low temperatures while maintaining adequate abrasion resistance through nano-structured fillers.\n  <span class=\"cn-i\">\uff08\u8010\u5bd2\u5316\u5408\u7269\u901a\u8fc7\u51e0\u79cd\u7b56\u7565\u5b9e\u73b0\u4f4e\u6e29\u6027\u80fd\u589e\u5f3a\uff1a\u57fa\u7840\u805a\u5408\u7269\u4ece\u6807\u51c6 CR \u8f6c\u4e3a\u542b\u805a\u4e01\u4e8c\u70ef\u6a61\u80f6\uff08BR\uff09\u6216\u4e59\u4e19\u4e09\u5143\u5171\u805a\u7269\u7684\u5171\u6df7\u7269\uff1b\u589e\u5851\u5242\u4f53\u7cfb\u91c7\u7528\u4f4e\u503e\u70b9\u916f\u7c7b\u589e\u5851\u5242\uff1b\u70ad\u9ed1\u586b\u5145\u91cf\u4ece 40\u201350 phr \u964d\u81f3 25\u201335 phr\uff0c\u901a\u8fc7\u7eb3\u7c73\u7ed3\u6784\u586b\u6599\u4fdd\u6301\u8010\u78e8\u6027\u3002\uff09<\/span><\/p>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 4 \u2014 Sheath Compound Properties: Standard vs. Cold-Grade &nbsp;|&nbsp; \u8868 4 \u2014 \u62a4\u5957\u5316\u5408\u7269\u6027\u80fd\uff1a\u6807\u51c6\u578b vs. \u8010\u5bd2\u578b<\/caption>\n      <thead>\n        <tr><th>Property \u5c5e\u6027<\/th><th>Standard 5GM5<\/th><th>Cold-Grade 5GM5-K<\/th><th>Test Method<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>Base Polymer \u57fa\u7840\u805a\u5408\u7269<\/td><td>Polychloroprene (CR)<\/td><td>CR\/BR blend or CR\/EPDM blend<\/td><td>\u2014<\/td><\/tr>\n        <tr><td>Glass Transition Temp. (Tg) \u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6<\/td><td class=\"v-diff\">\u2248 \u221238 \u00b0C<\/td><td class=\"v-ok\">\u2248 \u221255 \u00b0C to \u221260 \u00b0C<\/td><td>DSC (ASTM D3418)<\/td><\/tr>\n        <tr><td>Cold Bend Pass Temp. \u4f4e\u6e29\u5f2f\u66f2\u901a\u8fc7\u6e29\u5ea6<\/td><td class=\"v-diff\">\u221225 \u00b0C<\/td><td class=\"v-ok\">\u221250 \u00b0C to \u221260 \u00b0C<\/td><td>IEC 60811-504<\/td><\/tr>\n        <tr><td>Tensile Strength \u62c9\u4f38\u5f3a\u5ea6<\/td><td>\u2265 8 MPa<\/td><td>\u2265 7 MPa<\/td><td>IEC 60811-501<\/td><\/tr>\n        <tr><td>Elongation at Break \u65ad\u88c2\u4f38\u957f\u7387<\/td><td>\u2265 300%<\/td><td>\u2265 350%<\/td><td>IEC 60811-501<\/td><\/tr>\n        <tr><td>Abrasion Resistance \u8010\u78e8\u6027<\/td><td>High<\/td><td>Moderate to High<\/td><td>DIN ISO 4649<\/td><\/tr>\n        <tr><td>Oil Resistance \u8010\u6cb9\u6027<\/td><td>Good (CR inherent)<\/td><td>Moderate (BR component reduces oil resistance)<\/td><td>EN 60811-2-1<\/td><\/tr>\n        <tr><td>Ozone \/ UV Resistance \u8010\u81ed\u6c27\/\u7d2b\u5916<\/td><td>Good<\/td><td>Good<\/td><td>IEC 60811-403<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"fc-warn\">\n    <strong>Engineering Trade-Off Note \u5de5\u7a0b\u6743\u8861\u8bf4\u660e\uff1a<\/strong> Cold-grade sheath compounds achieve their enhanced flexibility by incorporating polybutadiene (BR) rubber, which inherently has lower oil and chemical resistance than polychloroprene. In applications where cables are exposed to both extreme cold and frequent oil\/fuel contact (e.g., open-pit mining near diesel equipment), engineers should consult Feichun&#8217;s application engineering team for optimized compound blends that balance both requirements.\n    <span class=\"cn-i\">\uff08\u8010\u5bd2\u578b\u62a4\u5957\u5316\u5408\u7269\u56e0\u63ba\u5165\u805a\u4e01\u4e8c\u70ef\u6a61\u80f6\uff0c\u5176\u8010\u6cb9\u548c\u8010\u5316\u5b66\u6027\u56fa\u6709\u5730\u4f4e\u4e8e\u6807\u51c6\u6c2f\u4e01\u6a61\u80f6\u3002\u5728\u540c\u65f6\u5b58\u5728\u6781\u7aef\u4f4e\u6e29\u548c\u9891\u7e41\u6cb9\/\u71c3\u6599\u63a5\u89e6\u7684\u5e94\u7528\u4e2d\uff0c\u8bf7\u54a8\u8be2\u98de\u7eaf\u5e94\u7528\u5de5\u7a0b\u56e2\u961f\u3002\uff09<\/span>\n  <\/div>\n<\/section>\n\n<!-- ==================== 7. APPLICATION SCENARIOS ==================== -->\n<section>\n  <h2>7. Application Scenarios Requiring \u221240 \u00b0C Cold Flexibility <span class=\"cn-sub\">\u9700\u8981 \u221240 \u00b0C \u4f4e\u6e29\u67d4\u6027\u7684\u5e94\u7528\u573a\u666f<\/span><\/h2>\n\n  <h3>7.1 Arctic &amp; Sub-Arctic Port Cranes <span class=\"cn-i\">\u5317\u6781\u548c\u4e9a\u5317\u6781\u6e2f\u53e3\u8d77\u91cd\u673a<\/span><\/h3>\n  <p>Ports in northern Russia (Murmansk, Sabetta), northern Canada (Churchill), and Scandinavia (Narvik, Hammerfest) operate STS and RMG cranes year-round at temperatures that regularly reach \u221235 \u00b0C to \u221245 \u00b0C. The RHEYCORD\u00ae standard cable, rated for mobile service only to \u221225 \u00b0C, is insufficient for these environments. The (N)TSCGEW\u00d6U-K or Feichun FC-CORD-K provides the necessary cold-flexibility performance for continuous crane operation through Arctic winters.\n  <span class=\"cn-i\">\uff08\u4fc4\u7f57\u65af\u5317\u90e8\u3001\u52a0\u62ff\u5927\u5317\u90e8\u548c\u65af\u582a\u7684\u7eb3\u7ef4\u4e9a\u7684\u6e2f\u53e3\u5168\u5e74\u5728 \u221235 \u00b0C \u81f3 \u221245 \u00b0C \u4e0b\u8fd0\u884c STS \u548c RMG \u8d77\u91cd\u673a\u3002\u6807\u51c6 RHEYCORD\u00ae \u7684 \u221225 \u00b0C \u79fb\u52a8\u4f7f\u7528\u9650\u503c\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u9700\u6c42\u3002\uff09<\/span><\/p>\n\n  <h3>7.2 Open-Pit Mining in Cold Climates <span class=\"cn-i\">\u5bd2\u51b7\u6c14\u5019\u9732\u5929\u77ff\u5c71<\/span><\/h3>\n  <p>Open-pit copper, iron ore, and diamond mines in Siberia, northern Canada (Diavik, Ekati), and northern Chile (high-altitude Atacama) expose reeling cables on draglines, electric shovels, and mobile crushers to sustained sub-zero temperatures. Electric rope shovels operating at \u221240 \u00b0C require reeling cables that can withstand tensile loads up to 30 N\/mm\u00b2 while maintaining full flexibility. The (N)TSCGEW\u00d6U-K, with its medium-voltage rating and cold-grade compounds, is specifically engineered for this application.\n  <span class=\"cn-i\">\uff08\u897f\u4f2f\u5229\u4e9a\u3001\u52a0\u62ff\u5927\u5317\u90e8\u548c\u667a\u5229\u9ad8\u6d77\u62d4\u77ff\u5c71\u7684\u9732\u5929\u5f00\u91c7\u5c06\u62d6\u7f06\u66b4\u9732\u5728\u6301\u7eed\u96f6\u4e0b\u6e29\u5ea6\u4e2d\u3002\u221240 \u00b0C \u4e0b\u8fd0\u884c\u7684\u7535\u94f2\u9700\u8981\u80fd\u627f\u53d7\u9ad8\u8fbe 30 N\/mm\u00b2 \u62c9\u4f38\u8f7d\u8377\u540c\u65f6\u4fdd\u6301\u5145\u5206\u67d4\u6027\u7684\u5377\u7b52\u7535\u7f06\u3002\uff09<\/span><\/p>\n\n  <h3>7.3 Tunnel Boring Machines in Mountain Passes <span class=\"cn-i\">\u5c71\u533a\u96a7\u9053\u6398\u8fdb\u673a<\/span><\/h3>\n  <p>TBM operations in high-altitude tunnel projects (Alpine tunnels, Himalayan infrastructure) begin with portal areas that may experience ambient temperatures of \u221230 \u00b0C to \u221240 \u00b0C during winter construction seasons. The trailing cable from the portal reel to the TBM cutterhead must remain flexible for continuous feeding as the machine advances. The (N)TSCGEW\u00d6U-K, with voltage ratings up to 12\/20 kV and cold-flexible compounds, is the standard choice for these installations.\n  <span class=\"cn-i\">\uff08\u9ad8\u6d77\u62d4\u96a7\u9053\u9879\u76ee\uff08\u963f\u5c14\u5351\u65af\u96a7\u9053\u3001\u559c\u9a6c\u62c9\u96c5\u57fa\u7840\u8bbe\u65bd\uff09\u7684\u6d1e\u53e3\u533a\u57df\u5728\u51ac\u5b63\u65bd\u5de5\u671f\u95f4\u53ef\u80fd\u7ecf\u5386 \u221230 \u00b0C \u81f3 \u221240 \u00b0C \u7684\u73af\u5883\u6e29\u5ea6\u3002\u4ece\u6d1e\u53e3\u5377\u7b52\u5230\u76fe\u6784\u5200\u76d8\u7684\u62d6\u7f06\u5fc5\u987b\u4fdd\u6301\u67d4\u6027\u4ee5\u4f9b\u8fde\u7eed\u9001\u7f06\u3002\uff09<\/span><\/p>\n\n  <h3>7.4 Stacker-Reclaimers &amp; Conveyor Systems <span class=\"cn-i\">\u5806\u53d6\u6599\u673a\u4e0e\u8f93\u9001\u673a\u7cfb\u7edf<\/span><\/h3>\n  <p>Bulk material handling facilities in cold-climate regions \u2014 coal terminals, iron ore stockyards, and grain terminals \u2014 rely on stacker-reclaimers with long reeling cable runs (200\u2013400 m). At \u221240 \u00b0C, a standard reeling cable would stiffen to the point where the reeling drum motor cannot achieve proper cable tension, leading to uneven winding, cable damage, and potential system shutdown.\n  <span class=\"cn-i\">\uff08\u5bd2\u51b7\u6c14\u5019\u5730\u533a\u7684\u6563\u8d27\u7269\u6599\u5904\u7406\u8bbe\u65bd\u4f9d\u8d56\u5177\u6709\u957f\u5377\u7b52\u7535\u7f06\u8ddd\u79bb\uff08200\u2013400 m\uff09\u7684\u5806\u53d6\u6599\u673a\u3002\u5728 \u221240 \u00b0C \u4e0b\uff0c\u6807\u51c6\u5377\u7b52\u7535\u7f06\u4f1a\u786c\u5316\u5230\u5377\u7b52\u7535\u673a\u65e0\u6cd5\u6b63\u5e38\u5f20\u7d27\u7684\u7a0b\u5ea6\u3002\uff09<\/span><\/p>\n<\/section>\n\n<!-- ==================== 8. FEICHUN COLD-GRADE OFFERINGS ==================== -->\n<section>\n  <h2>8. Feichun Cold-Grade Reeling Cable Solutions <span class=\"cn-sub\">\u98de\u7eaf\u8010\u5bd2\u5377\u7b52\u7535\u7f06\u89e3\u51b3\u65b9\u6848<\/span><\/h2>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 5 \u2014 Feichun Cold-Grade Product Matrix &nbsp;|&nbsp; \u8868 5 \u2014 \u98de\u7eaf\u8010\u5bd2\u4ea7\u54c1\u77e9\u9635<\/caption>\n      <thead>\n        <tr><th>Feichun Model<\/th><th>Nexans Equivalent<\/th><th>Voltage \u7535\u538b<\/th><th>Mobile Min. Temp.<\/th><th>Standard<\/th><th>Application \u5e94\u7528<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td><strong>FC-CORD-K<\/strong><\/td><td>RHEYCORD\u00ae NSHTOEU-J (cold-grade)<\/td><td>0.6\/1 kV<\/td><td class=\"v-ok\">\u221250 \u00b0C<\/td><td>DIN VDE 0250 p.814<\/td><td>LV cranes, festoon, spring reels<\/td><\/tr>\n        <tr><td><strong>FC-CORD-RTS-K<\/strong><\/td><td>RHEYCORD\u00ae (RTS) (N)SHTOEU-J (cold)<\/td><td>0.6\/1 kV<\/td><td class=\"v-ok\">\u221250 \u00b0C<\/td><td>DIN VDE 0250 p.814<\/td><td>Extra heavy duty STS, spreaders<\/td><\/tr>\n        <tr><td><strong>FC-TSCGEW\u00d6U-K<\/strong><\/td><td>(N)TSCGEW\u00d6U-K<\/td><td>3.6\/6 \u2013 18\/30 kV<\/td><td class=\"v-ok\">\u221250 \u00b0C (\u221260 \u00b0C opt.)<\/td><td>DIN VDE 0250 p.813<\/td><td>MV mining, TBM, excavators<\/td><\/tr>\n        <tr><td><strong>FC-TSCGEW\u00d6U-K-OFE<\/strong><\/td><td>(N)TSCGEW\u00d6U-K with optical fiber<\/td><td>3.6\/6 \u2013 12\/20 kV<\/td><td class=\"v-ok\">\u221250 \u00b0C<\/td><td>DIN VDE 0250 p.813<\/td><td>MV + data, Arctic STS cranes<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 6 \u2014 Electrical Data: FC-CORD-K (0.6\/1 kV, 4-Core, Cold-Grade) &nbsp;|&nbsp; \u8868 6 \u2014 FC-CORD-K \u7535\u6c14\u6570\u636e<\/caption>\n      <thead>\n        <tr><th>Cross-Section (mm\u00b2)<\/th><th>OD (mm)<\/th><th>DC Resist. @ 20 \u00b0C (\u03a9\/km)<\/th><th>Current Rating* (A)<\/th><th>Voltage Drop (V\/A\u00b7km)<\/th><th>Weight (kg\/km)<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>4 \u00d7 4<\/td><td>\u2248 18.5<\/td><td>\u2264 4.61<\/td><td>32<\/td><td>4.0<\/td><td>\u2248 670<\/td><\/tr>\n        <tr><td>4 \u00d7 10<\/td><td>\u2248 24.0<\/td><td>\u2264 1.83<\/td><td>56<\/td><td>1.6<\/td><td>\u2248 1,100<\/td><\/tr>\n        <tr><td>4 \u00d7 16<\/td><td>\u2248 28.0<\/td><td>\u2264 1.15<\/td><td>78<\/td><td>1.0<\/td><td>\u2248 1,500<\/td><\/tr>\n        <tr><td>4 \u00d7 25<\/td><td>\u2248 33.0<\/td><td>\u2264 0.727<\/td><td>104<\/td><td>0.66<\/td><td>\u2248 2,200<\/td><\/tr>\n        <tr><td>4 \u00d7 35<\/td><td>\u2248 37.0<\/td><td>\u2264 0.524<\/td><td>138<\/td><td>0.48<\/td><td>\u2248 2,900<\/td><\/tr>\n        <tr><td>4 \u00d7 50<\/td><td>\u2248 42.0<\/td><td>\u2264 0.387<\/td><td>171<\/td><td>0.35<\/td><td>\u2248 3,700<\/td><\/tr>\n        <tr><td>4 \u00d7 70<\/td><td>\u2248 48.0<\/td><td>\u2264 0.268<\/td><td>213<\/td><td>0.25<\/td><td>\u2248 5,000<\/td><\/tr>\n        <tr><td>4 \u00d7 95<\/td><td>\u2248 55.0<\/td><td>\u2264 0.193<\/td><td>263<\/td><td>0.18<\/td><td>\u2248 6,500<\/td><\/tr>\n        <tr><td>4 \u00d7 120<\/td><td>\u2248 60.0<\/td><td>\u2264 0.153<\/td><td>317<\/td><td>0.14<\/td><td>\u2248 8,000<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p style=\"font-size:12px;color:var(--fc-text-muted);margin-top:-12px;\">* Current ratings per DIN VDE 0298 Part 4, ambient 30 \u00b0C, conductor 90 \u00b0C. Hybrid power + control + OFE configurations available on request.\n  <span class=\"cn-i\">\uff08* \u8f7d\u6d41\u91cf\u6309 DIN VDE 0298 Part 4\uff0c\u73af\u5883 30 \u00b0C\uff0c\u5bfc\u4f53 90 \u00b0C\u3002\u6df7\u5408\u52a8\u529b\/\u63a7\u5236\/\u5149\u7ea4\u914d\u7f6e\u53ef\u5b9a\u5236\u3002\uff09<\/span><\/p>\n<\/section>\n\n<!-- ==================== 9. IEC TEST DATA COMPARISON ==================== -->\n<section>\n  <h2>9. IEC 60811 Low-Temperature Test Data Comparison <span class=\"cn-sub\">IEC 60811 \u4f4e\u6e29\u6d4b\u8bd5\u6570\u636e\u5bf9\u6bd4<\/span><\/h2>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 7 \u2014 Cold Performance Test Results Summary &nbsp;|&nbsp; \u8868 7 \u2014 \u4f4e\u6e29\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u6c47\u603b<\/caption>\n      <thead>\n        <tr><th>Test \u6d4b\u8bd5<\/th><th>Test Temp.<\/th><th>RHEYCORD\u00ae (Std.)<\/th><th>(N)TSCGEW\u00d6U (Std.)<\/th><th>(N)TSCGEW\u00d6U-K<\/th><th>Feichun FC-K Series<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>IEC 60811-504<br>Cold Bend \u4f4e\u6e29\u5f2f\u66f2<\/td><td>\u221225 \u00b0C<\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>IEC 60811-504<br>Cold Bend \u4f4e\u6e29\u5f2f\u66f2<\/td><td class=\"v-cold\">\u221240 \u00b0C<\/td>\n          <td class=\"v-warn\">FAIL (sheath cracking)<\/td>\n          <td class=\"v-diff\">MARGINAL<\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>IEC 60811-504<br>Cold Bend \u4f4e\u6e29\u5f2f\u66f2<\/td><td class=\"v-cold\">\u221250 \u00b0C<\/td>\n          <td class=\"v-warn\">FAIL<\/td>\n          <td class=\"v-warn\">FAIL<\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>IEC 60811-506<br>Cold Impact \u4f4e\u6e29\u51b2\u51fb<\/td><td class=\"v-cold\">\u221240 \u00b0C<\/td>\n          <td class=\"v-warn\">FAIL<\/td>\n          <td class=\"v-diff\">MARGINAL<\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n          <td><span class=\"badge badge-ok\">PASS<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>IEC 60811-505<br>Cold Elongation \u4f4e\u6e29\u62c9\u4f38<\/td><td class=\"v-cold\">\u221240 \u00b0C<\/td>\n          <td class=\"v-warn\">< 20% (FAIL)<\/td>\n          <td class=\"v-diff\">\u2248 18% (marginal)<\/td>\n          <td class=\"v-ok\">\u2265 25%<\/td>\n          <td class=\"v-ok\">\u2265 22%<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"fc-success\">\n    <strong>Result Summary \u7ed3\u679c\u6c47\u603b\uff1a<\/strong> At \u221240 \u00b0C, only the cold-grade &#8220;(K)&#8221; variants \u2014 both the (N)TSCGEW\u00d6U-K and Feichun&#8217;s FC-K series \u2014 achieve full compliance across all three IEC 60811 low-temperature tests. The standard RHEYCORD\u00ae NSHTOEU-J fails all bending-related tests at this temperature, confirming that it is only suitable for static installation (not dynamic reeling) at \u221240 \u00b0C.\n    <span class=\"cn-i\">\uff08\u5728 \u221240 \u00b0C \u4e0b\uff0c\u53ea\u6709\u8010\u5bd2 &#8220;K&#8221; \u53d8\u578b\u2014\u2014(N)TSCGEW\u00d6U-K \u548c\u98de\u7eaf FC-K \u7cfb\u5217\u2014\u2014\u5728\u6240\u6709\u4e09\u9879 IEC 60811 \u4f4e\u6e29\u6d4b\u8bd5\u4e2d\u5b8c\u5168\u5408\u683c\u3002\u6807\u51c6 RHEYCORD\u00ae NSHTOEU-J \u5728\u8be5\u6e29\u5ea6\u4e0b\u6240\u6709\u5f2f\u66f2\u76f8\u5173\u6d4b\u8bd5\u5747\u4e0d\u5408\u683c\u3002\uff09<\/span>\n  <\/div>\n<\/section>\n\n<!-- ==================== 10. INSTALLATION GUIDANCE ==================== -->\n<section>\n  <h2>10. Cold-Weather Installation &amp; Operational Guidance <span class=\"cn-sub\">\u4f4e\u6e29\u5b89\u88c5\u4e0e\u64cd\u4f5c\u6307\u5357<\/span><\/h2>\n\n  <p><strong>Pre-Warming Protocol \u9884\u70ed\u7a0b\u5e8f\uff1a<\/strong> Even cold-grade cables benefit from pre-warming before initial installation in extreme cold. If the cable has been stored outdoors at temperatures below \u221220 \u00b0C, it should be moved to a heated enclosure (above +5 \u00b0C) for a minimum of 24 hours before unspooling and routing through cable guides or festoon trolleys. This allows residual internal stresses from manufacturing and coiling to relax, reducing the risk of micro-cracking during first-use bending.\n  <span class=\"cn-i\">\uff08\u5373\u4f7f\u8010\u5bd2\u7b49\u7ea7\u7535\u7f06\u5728\u6781\u7aef\u4f4e\u6e29\u4e0b\u9996\u6b21\u5b89\u88c5\u524d\u4e5f\u5e94\u9884\u70ed\u3002\u82e5\u7535\u7f06\u5728 \u221220 \u00b0C \u4ee5\u4e0b\u6237\u5916\u5b58\u653e\uff0c\u5b89\u88c5\u524d\u5e94\u79fb\u81f3 +5 \u00b0C \u4ee5\u4e0a\u7684\u52a0\u70ed\u7a7a\u95f4\u81f3\u5c11 24 \u5c0f\u65f6\u3002\uff09<\/span><\/p>\n\n  <p><strong>Drum Diameter Selection \u5377\u7b52\u76f4\u5f84\u9009\u62e9\uff1a<\/strong> At \u221240 \u00b0C, the minimum bending radius of even cold-grade compounds increases by approximately 20\u201330% compared to room-temperature values. Engineers should specify drum diameters at least 15\u00d7 the cable outer diameter for cold-service applications, compared to the standard 10\u201312\u00d7 at ambient temperature. Feichun provides detailed drum diameter calculation tables for each cold-grade product upon request.\n  <span class=\"cn-i\">\uff08\u5728 \u221240 \u00b0C \u4e0b\uff0c\u5373\u4f7f\u8010\u5bd2\u5316\u5408\u7269\u7684\u6700\u5c0f\u5f2f\u66f2\u534a\u5f84\u4e5f\u6bd4\u5ba4\u6e29\u503c\u589e\u5927\u7ea6 20\u201330%\u3002\u5de5\u7a0b\u5e08\u5e94\u4e3a\u4f4e\u6e29\u5e94\u7528\u6307\u5b9a\u81f3\u5c11 15 \u500d\u7535\u7f06\u5916\u5f84\u7684\u5377\u7b52\u76f4\u5f84\u3002\uff09<\/span><\/p>\n\n  <p><strong>Reeling Speed Reduction \u5377\u6536\u901f\u5ea6\u964d\u4f4e\uff1a<\/strong> While cold-grade cables are rated for operation at \u221240 \u00b0C to \u221260 \u00b0C, reducing the maximum reeling speed by 30\u201350% at temperatures below \u221235 \u00b0C significantly extends cable service life. This reduces the strain rate on cold-stiffened compounds, allowing the elastomer molecules more time to deform plastically rather than fracturing.\n  <span class=\"cn-i\">\uff08\u5c3d\u7ba1\u8010\u5bd2\u7535\u7f06\u989d\u5b9a\u5728 \u221240 \u00b0C \u81f3 \u221260 \u00b0C \u4e0b\u4f7f\u7528\uff0c\u5728 \u221235 \u00b0C \u4ee5\u4e0b\u5c06\u6700\u5927\u5377\u6536\u901f\u5ea6\u964d\u4f4e 30\u201350% \u53ef\u663e\u8457\u5ef6\u957f\u7535\u7f06\u4f7f\u7528\u5bff\u547d\u3002\uff09<\/span><\/p>\n<\/section>\n\n<!-- ==================== 11. WHY FEICHUN ==================== -->\n<section>\n  <h2>11. Why Specify Feichun Cold-Grade Reeling Cables <span class=\"cn-sub\">\u4e3a\u4f55\u9009\u62e9\u98de\u7eaf\u8010\u5bd2\u5377\u7b52\u7535\u7f06<\/span><\/h2>\n\n  <p><strong>Verified Cold Performance \u7ecf\u9a8c\u8bc1\u7684\u4f4e\u6e29\u6027\u80fd\uff1a<\/strong> Every production batch of Feichun FC-K series cables undergoes mandatory IEC 60811-504, -505, and -506 testing at the rated cold temperature. Test certificates accompany each shipment, eliminating the uncertainty of relying solely on compound supplier claims.\n  <span class=\"cn-i\">\uff08\u6bcf\u6279\u98de\u7eaf FC-K \u7cfb\u5217\u7535\u7f06\u5747\u6309\u989d\u5b9a\u4f4e\u6e29\u8fdb\u884c\u5f3a\u5236\u6027 IEC 60811-504\/505\/506 \u6d4b\u8bd5\u3002\u6d4b\u8bd5\u8bc1\u4e66\u968f\u8d27\u63d0\u4f9b\u3002\uff09<\/span><\/p>\n\n  <p><strong>Dimensional Drop-In Compatibility \u5c3a\u5bf8\u5373\u63d2\u5373\u7528\u517c\u5bb9\u6027\uff1a<\/strong> The FC-CORD-K matches the outer diameter envelope of the Nexans RHEYCORD\u00ae NSHTOEU-J, and the FC-TSCGEW\u00d6U-K matches the (N)TSCGEW\u00d6U series, ensuring direct replacement on existing drum systems, cable guides, and festoon trolleys without mechanical modification.\n  <span class=\"cn-i\">\uff08FC-CORD-K \u7684\u5916\u5f84\u5c3a\u5bf8\u4e0e Nexans RHEYCORD\u00ae NSHTOEU-J \u5339\u914d\uff0cFC-TSCGEW\u00d6U-K \u4e0e (N)TSCGEW\u00d6U \u7cfb\u5217\u5339\u914d\uff0c\u786e\u4fdd\u5728\u73b0\u6709\u5377\u7b52\u7cfb\u7edf\u4e0a\u76f4\u63a5\u66ff\u6362\u3002\uff09<\/span><\/p>\n\n  <p><strong>Accelerated Delivery \u52a0\u901f\u4ea4\u4ed8\uff1a<\/strong> Cold-grade reeling cables from European manufacturers typically have lead times of 14\u201324 weeks due to specialized compounding requirements and low production volumes. Feichun&#8217;s integrated production facility in Anhui Province \u2014 with dedicated cold-compound mixing lines \u2014 achieves standard lead times of 3\u20136 weeks for cold-grade products.\n  <span class=\"cn-i\">\uff08\u6b27\u6d32\u5236\u9020\u5546\u7684\u8010\u5bd2\u5377\u7b52\u7535\u7f06\u4ea4\u8d27\u671f\u901a\u5e38\u4e3a 14\u201324 \u5468\u3002\u98de\u7eaf\u5b89\u5fbd\u7701\u4e00\u4f53\u5316\u751f\u4ea7\u8bbe\u65bd\u914d\u5907\u4e13\u7528\u8010\u5bd2\u914d\u6599\u6df7\u70bc\u7ebf\uff0c\u6807\u51c6\u4ea4\u671f\u4e3a 3\u20136 \u5468\u3002\uff09<\/span><\/p>\n\n  <p><strong>Custom Cold Formulations \u5b9a\u5236\u8010\u5bd2\u914d\u65b9\uff1a<\/strong> For applications requiring operation below \u221260 \u00b0C (e.g., LNG terminal cranes, Antarctic research station power systems), Feichun&#8217;s compound engineering team can develop bespoke formulations incorporating silicone-modified elastomers with Tg values approaching \u221280 \u00b0C.\n  <span class=\"cn-i\">\uff08\u5bf9\u4e8e\u9700\u8981\u5728 \u221260 \u00b0C \u4ee5\u4e0b\u8fd0\u884c\u7684\u5e94\u7528\uff08\u5982 LNG \u7ec8\u7aef\u8d77\u91cd\u673a\u3001\u5357\u6781\u79d1\u8003\u7ad9\u7535\u529b\u7cfb\u7edf\uff09\uff0c\u98de\u7eaf\u5316\u5408\u7269\u5de5\u7a0b\u56e2\u961f\u53ef\u5f00\u53d1 Tg \u63a5\u8fd1 \u221280 \u00b0C \u7684\u7845\u6539\u6027\u5f39\u6027\u4f53\u5b9a\u5236\u914d\u65b9\u3002\uff09<\/span><\/p>\n<\/section>\n\n<!-- ==================== 12. STANDARDS ==================== -->\n<section>\n  <h2>12. Applicable Standards &amp; Compliance <span class=\"cn-sub\">\u9002\u7528\u6807\u51c6\u4e0e\u5408\u89c4<\/span><\/h2>\n\n  <div class=\"tbl-w\">\n    <table>\n      <caption>Table 8 \u2014 Standards Compliance Matrix &nbsp;|&nbsp; \u8868 8 \u2014 \u6807\u51c6\u5408\u89c4\u77e9\u9635<\/caption>\n      <thead>\n        <tr><th>Standard \u6807\u51c6<\/th><th>Scope \u8303\u56f4<\/th><th>Feichun FC-K Series<\/th><\/tr>\n      <\/thead>\n      <tbody>\n        <tr><td>DIN VDE 0250 Part 814<\/td><td>LV rubber reeling cables (NSHT\u00d6U type)<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>DIN VDE 0250 Part 813<\/td><td>MV reeling cables for mining\/TBM ((N)TSCGEW\u00d6U)<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>IEC 60228 \/ DIN VDE 0295<\/td><td>Conductor classes \u2014 Class 5 flexible stranded<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>DIN VDE 0207 Part 20\/21<\/td><td>Rubber compound designations (3GI3, 5GM3, 5GM5)<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>IEC 60811-504<\/td><td>Cold bend test for insulation &amp; sheaths<\/td><td><span class=\"badge badge-cold\">Pass \u221250 \u00b0C<\/span><\/td><\/tr>\n        <tr><td>IEC 60811-505<\/td><td>Cold elongation test (\u2265 20% required)<\/td><td><span class=\"badge badge-cold\">Pass \u221250 \u00b0C<\/span><\/td><\/tr>\n        <tr><td>IEC 60811-506<\/td><td>Cold impact test<\/td><td><span class=\"badge badge-cold\">Pass \u221250 \u00b0C<\/span><\/td><\/tr>\n        <tr><td>IEC 60332-1-2<\/td><td>Flame retardance \u2014 single cable<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>EN 60811-2-1<\/td><td>Oil resistance<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>DIN VDE 0298 Part 4<\/td><td>Current-carrying capacity tables<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n        <tr><td>HD 308 S2 \/ DIN VDE 0293-308<\/td><td>Core identification by colour code<\/td><td><span class=\"badge badge-ok\">Compliant<\/span><\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/section>\n\n<!-- ==================== 13. REFERENCES ==================== -->\n<section>\n  <h2>13. References &amp; Further Reading <span class=\"cn-sub\">\u53c2\u8003\u6587\u732e<\/span><\/h2>\n\n  <div class=\"fc-refs\">\n    <p>[1] Nexans \u2014 RHEYCORD\u00ae NSHTOEU-J Reeling Cable Datasheet, 0.6\/1 kV. <a href=\"https:\/\/www.cse-distributors.co.uk\/cable\/nexans-cables\/rheycord-nshtoeu-j-cable\/\" rel=\"nofollow noopener\" target=\"_blank\">CSE Distributors \u2014 RHEYCORD NSHTOEU-J<\/a><\/p>\n\n    <p>[2] Nexans \u2014 RHEYCORD\u00ae (RTS) (N)SHTOEU-J Extra Heavy Duty Reeling Cable. <a href=\"https:\/\/www.cse-distributors.co.uk\/cable\/nexans-handling-cable\/rheycordrts-nshtoeu-j-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">CSE Distributors \u2014 RHEYCORD (RTS)<\/a><\/p>\n\n    <p>[3] Tratos Group \u2014 MTO\u00ae-TDM (N)TSCGEW\u00d6U Medium Voltage Tunnel Driving Machine Cable. <a href=\"https:\/\/tratosgroup.com\/product\/tratos-mto-tdm-vde\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos \u2014 (N)TSCGEW\u00d6U Specifications<\/a><\/p>\n\n    <p>[4] HT Cable \u2014 R-(N)TSCGEW\u00d6U 3.6\/6 to 18\/30 kV MV Reeling Cable Datasheet. <a href=\"https:\/\/www.htwirecable.com\/products\/cables-by-type\/mining-trailing-rolling-crane\/rntscgewou.html\" rel=\"nofollow noopener\" target=\"_blank\">HT Cable \u2014 (N)TSCGEW\u00d6U Data<\/a><\/p>\n\n    <p>[5] Incore Cables \u2014 (N)TSCGEW\u00d6U Reeling Cable Technical Datasheet. <a href=\"https:\/\/www.incore-cables.com\/wp-content\/uploads\/2018\/12\/Datasheet-NTSCGEWOEU.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Incore \u2014 NTSCGEW\u00d6U PDF<\/a><\/p>\n\n    <p>[6] Eland Cables \u2014 Cable Cold Bend Testing (IEC 60811-504). <a href=\"https:\/\/www.elandcables.com\/the-cable-lab\/independent-cable-testing-and-inspection-services\/cable-cold-bend-testing\" rel=\"nofollow noopener\" target=\"_blank\">Eland \u2014 Cold Bend Test Guide<\/a><\/p>\n\n    <p>[7] Eland Cables \u2014 Cold Impact Cable Testing (IEC 60811-506). <a href=\"https:\/\/www.elandcables.com\/the-cable-lab\/independent-cable-testing-and-inspection-services\/cold-impact-test\" rel=\"nofollow noopener\" target=\"_blank\">Eland \u2014 Cold Impact Test<\/a><\/p>\n\n    <p>[8] Tratos Group \u2014 EPR\/EPDM Cable Insulation Materials \u2014 Low Temperature Properties. <a href=\"https:\/\/tratosgroup.com\/tratos-cable-academy\/polymeric-materials-for-cables-insulation-and-sheath\/epr-epdm-cables\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos \u2014 EPR\/EPDM Cable Academy<\/a><\/p>\n\n    <p>[9] Eland Cables \u2014 DIN VDE 0250 Standard Cable Range. <a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/vde0250-cable\" rel=\"nofollow noopener\" target=\"_blank\">Eland \u2014 VDE 0250 Cables<\/a><\/p>\n\n    <p>[10] TPC Wire &amp; Cable \u2014 Understanding Cold Temp, Bend &amp; Impact Ratings for Industrial Cables. <a href=\"https:\/\/www.tpcwire.com\/blog\/understanding-cold-temp-bend-impact-ratings-for-industrial-cables\" rel=\"nofollow noopener\" target=\"_blank\">TPC \u2014 Cold Rating Guide<\/a><\/p>\n\n    <p>[11] Southwire \u2014 Wire and Cable Minimum Cold Temperature Ratings. <a href=\"https:\/\/www.southwire.com\/medias\/2305-Wire-and-Cable-Minimum-Operating-Temperature-and-Minimum-Installation-Temperature-Flyer-WEB.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Southwire \u2014 Cold Temp Ratings PDF<\/a><\/p>\n\n    <p>[12] Kuka Cable \u2014 Cable Cold Bending Test (IEC 60811-504 Methodology). <a href=\"https:\/\/www.kukacable.com\/the_cable_lab\/1474.html\" rel=\"nofollow noopener\" target=\"_blank\">Kuka \u2014 Cold Bend Test<\/a><\/p>\n\n    <p>[13] Tratos Group \u2014 IEC 60811 Test Methods Overview. <a href=\"https:\/\/tratosgroup.com\/products\/standards\/iec\/iec-60811\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos \u2014 IEC 60811 Series<\/a><\/p>\n\n    <p>[14] CB Cables \u2014 Cable Insulation Materials Guide: PVC, XLPE, PE, EPR, TPE, Silicone Rubber. <a href=\"https:\/\/www.cbcables.com\/blog\/what-is-the-best-material-for-cable-insulation.html\" rel=\"nofollow noopener\" target=\"_blank\">CB Cables \u2014 Insulation Guide<\/a><\/p>\n\n    <p>[15] Feichun Special Cable \u2014 DIN VDE 0250 Reeling &amp; Trailing Cables Technical Guide. <a href=\"https:\/\/feichuncables.com\/blog\/din-vde-0250\/\" rel=\"nofollow noopener\" target=\"_blank\">Feichun \u2014 VDE 0250 Guide<\/a><\/p>\n\n    <p>[16] Feichun Special Cable \u2014 What is DIN VDE 0250 Cable? Complete Technical Guide. <a href=\"https:\/\/feichuncables.com\/blog\/what-is-din-vde-0250-cable\/\" rel=\"nofollow noopener\" target=\"_blank\">Feichun \u2014 VDE 0250 Cable<\/a><\/p>\n\n    <p>[17] Nexans \u2014 RHEYCORD\u00ae-OFE MZ Cold Flexible Rubber Outer Sheath (\u221240 \u00b0C festoon\/reeling). <a href=\"https:\/\/www.nexans.de\/eservice\/Germany-en\/navigate_22279\/RHEYCORD_OFE_MZ.html\" rel=\"nofollow noopener\" target=\"_blank\">Nexans DE \u2014 RHEYCORD OFE MZ<\/a><\/p>\n\n    <p>[18] CSE Distributors \u2014 RHEYFIRM\u00ae (RTS) (N)TSCGEWTOEUS Reeling Cable (STS\/RMG\/Mining). <a href=\"https:\/\/www.cse-distributors.co.uk\/cable\/nexans-handling-cable\/rheyfirmrts-ntscgewtoeus-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">CSE \u2014 RHEYFIRM (RTS)<\/a><\/p>\n  <\/div>\n<\/section>\n\n<!-- ==================== 14. CONTACT ==================== -->\n<section>\n  <h2>14. Contact &amp; Technical Inquiry <span class=\"cn-sub\">\u8054\u7cfb\u4e0e\u6280\u672f\u54a8\u8be2<\/span><\/h2>\n\n  <p>For cold-grade reeling cable datasheets, IEC 60811 test certificates, compound Tg verification data, or project-specific engineering for Arctic and cold-climate applications, please contact Anhui Feichun Special Cable Co., Ltd.:\n  <span class=\"cn-i\">\uff08\u5982\u9700\u8010\u5bd2\u5377\u7b52\u7535\u7f06\u6570\u636e\u8868\u3001IEC 60811 \u6d4b\u8bd5\u8bc1\u4e66\u3001\u5316\u5408\u7269 Tg \u9a8c\u8bc1\u6570\u636e\u6216\u5317\u6781\u548c\u5bd2\u51b7\u6c14\u5019\u5e94\u7528\u7684\u9879\u76ee\u5b9a\u5236\u5de5\u7a0b\u652f\u6301\uff0c\u8bf7\u8054\u7cfb\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\uff1a\uff09<\/span><\/p>\n\n  <div class=\"fc-cta\">\n    <div class=\"fc-cta__item\">\n      <span class=\"fc-cta__lbl\">Technical Inquiries \u6280\u672f\u54a8\u8be2<\/span>\n      <span class=\"fc-cta__val\"><a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow noopener\">tech@feichuncables.com<\/a><\/span>\n    <\/div>\n    <div class=\"fc-cta__item\">\n      <span class=\"fc-cta__lbl\">Sales \u2014 Zihao Yang \u6768\u5b50\u6d69<\/span>\n      <span class=\"fc-cta__val\"><a href=\"mailto:zihao.yang@feichuncables.com\" rel=\"nofollow noopener\">zihao.yang@feichuncables.com<\/a><\/span>\n    <\/div>\n    <div class=\"fc-cta__item\">\n      <span class=\"fc-cta__lbl\">Sales \u2014 Ziyu Huang \u9ec4\u5b50\u94b0<\/span>\n      <span class=\"fc-cta__val\"><a href=\"mailto:ziyu.huang@feichuncables.com\" rel=\"nofollow noopener\">ziyu.huang@feichuncables.com<\/a><\/span>\n    <\/div>\n    <div class=\"fc-cta__item\">\n      <span class=\"fc-cta__lbl\">WhatsApp<\/span>\n      <span class=\"fc-cta__val\">\n        <a href=\"https:\/\/wa.me\/8613855123218\" rel=\"nofollow noopener\" target=\"_blank\" class=\"wa-btn\">\n          <svg viewBox=\"0 0 24 24\"><path d=\"M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893a11.821 11.821 0 00-3.48-8.413z\"\/><\/svg>\n          +86 138-5512-3218\n        <\/a>\n      <\/span>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ==================== FOOTER ==================== -->\n<footer class=\"fc-footer\">\n  <p>&copy; 2026 Anhui Feichun Special Cable Co., Ltd. (\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8). All rights reserved. RHEYCORD\u00ae and RHEYFIRM\u00ae are registered trademarks of Nexans S.A. Reference to third-party trademarks is for identification and compatibility purposes only and does not imply endorsement or affiliation.<\/p>\n<\/footer>\n\n<\/article>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"Reeling and trailing cables operating in Arctic mining sites, Scandinavian ports, Canadian open-pit mines, and high-altitude construction zones routinely face sustained ambient temperatures of \u221230 \u00b0C to \u221250 \u00b0C. At these temperatures, standard rubber compounds undergo a dramatic loss of flexibility \u2014 the polymer chains lose their segmental mobility as the material approaches its glass transition temperature (Tg). A cable that bends easily at +20 \u00b0C can become rigid enough to crack at \u221240 \u00b0C if its sheath and insulation compounds are not specifically formulated for cold service. \uff08\u5728\u5317\u6781\u77ff\u533a\u3001\u65af\u582a\u7684\u7eb3\u7ef4\u4e9a\u6e2f\u53e3\u3001\u52a0\u62ff\u5927\u9732\u5929\u77ff\u5c71\u548c\u9ad8\u6d77\u62d4\u65bd\u5de5\u533a\u57df\u8fd0\u884c\u7684\u5377\u7b52\u548c\u62d6\u7f06\u7ecf\u5e38\u9762\u5bf9 \u221230 \u00b0C \u81f3 \u221250 \u00b0C \u7684\u6301\u7eed\u4f4e\u6e29\u73af\u5883\u3002\u5728\u8fd9\u4e9b\u6e29\u5ea6\u4e0b\uff0c\u6807\u51c6\u6a61\u80f6\u5316\u5408\u7269\u4f1a\u6025\u5267\u4e27\u5931\u67d4\u6027\u2014\u2014\u805a\u5408\u7269\u94fe\u5728\u6750\u6599\u63a5\u8fd1\u73bb\u7483\u5316\u8f6c\u53d8\u6e29\u5ea6\uff08Tg\uff09\u65f6\u5931\u53bb\u94fe\u6bb5\u8fd0\u52a8\u80fd\u529b\u3002\uff09","protected":false},"author":1,"featured_media":6541,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[66,464,56],"tags":[41594,41599,41586,41618,41592,41614,41595,41585,41591,41611,41590,41605,41615,41602,41583,41581,16,41606,41610,41587,41600,41612,41597,41589,41598,41584,41588,17,41619,41593,41604,41616,41582,41617,41609,41596,41601,41608,41621],"class_list":["post-6539","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-flexible-cables-with-high-bending-life-and-fatigue-resistance","category-reeling-cable","tag-anhui-feichun-special-cable-cold-grade","tag-cable-compound-tg-glass-transition","tag-cold-bend-test-iec-60811-504-cable","tag-cold-climate-crane-cable-specification","tag-cold-elongation-test-iec-60811-505","tag-cold-flexible-cable-for-dragline-excavator","tag-cold-flexible-cable-for-tunnel-boring-machine","tag-cold-flexible-reeling-cable-40c","tag-cold-flexible-rubber-cable-epr-epdm","tag-cold-grade-rubber-compound-5gm5-k","tag-cold-impact-test-iec-60811-506","tag-cold-resistant-cable-for-lng-terminal-crane","tag-cold-resistant-cable-for-open-pit-mining","tag-cold-resistant-cable-for-stacker-reclaimer","tag-cold-resistant-mining-cable","tag-cold-resistant-reeling-cable","tag-din-vde-0250","tag-din-vde-0250-part-813-ntscgewou","tag-din-vde-0250-part-814-nshtoeu","tag-din-vde-0250-reeling-cable-cold-grade","tag-epr-insulation-glass-transition-temperature","tag-feichun-cold-grade-reeling-cable","tag-iec-60228-class-5-tinned-copper-cold-cable","tag-nshtoeu-j-specifications","tag-ntscgewou-3-6-6kv-cold-resistant","tag-ntscgewou-cold-resistant-cable","tag-ntscgewou-k-cold-variant","tag-reeling-cable","tag-reeling-cable-50c-mobile-service","tag-reeling-cable-arctic-port-crane","tag-reeling-cable-for-sts-crane-arctic","tag-reeling-cable-siberia-mining","tag-rheycord-nshtoeu-j-cold-temperature","tag-rheycord-rts-cold-temperature-rating","tag-rheyfirm-ntscgewtoeus-cold-resistant","tag-rubber-cable-cold-bend-test-40","tag--40c","tag-41608","tag-41621","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=6539"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6539\/revisions"}],"predecessor-version":[{"id":6542,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6539\/revisions\/6542"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/6541"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=6539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=6539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=6539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}