{"id":4929,"date":"2026-01-23T09:03:55","date_gmt":"2026-01-23T01:03:55","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=4929"},"modified":"2026-01-23T09:03:58","modified_gmt":"2026-01-23T01:03:58","slug":"why-are-polyurethane-pur-sheathed-cables-becoming-popular-alternatives-to-standard-vde-rubber-cables-in-tunnelling","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/why-are-polyurethane-pur-sheathed-cables-becoming-popular-alternatives-to-standard-vde-rubber-cables-in-tunnelling\/","title":{"rendered":"Why Are Polyurethane (PUR) Sheathed Cables Becoming Popular Alternatives to Standard VDE Rubber Cables in Tunnelling?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>\u4e3a\u4ec0\u4e48\u805a\u6c28\u916f\uff08PUR\uff09\u62a4\u5957\u7535\u7f06\u6b63\u5728\u6210\u4e3a\u96a7\u9053\u5de5\u7a0b\u4e2d\u6807\u51c6VDE\u6a61\u80f6\u7535\u7f06\u7684\u66ff\u4ee3\u54c1\uff1f<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"6f7f96\" data-has-transparency=\"false\" style=\"--dominant-color: #6f7f96;\" loading=\"lazy\" decoding=\"async\" width=\"883\" height=\"559\" sizes=\"auto, (max-width: 883px) 100vw, 883px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577.avif\" alt=\"\" class=\"wp-image-4931 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577.avif 883w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577-300x190.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577-768x486.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577-400x253.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577-800x506.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-577-832x527.avif 832w\" \/><\/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    <meta name=\"description\" content=\"Technical analysis: Why Polyurethane (PUR) sheathed cables (N)12Y are becoming popular alternatives to standard VDE rubber cables in tunnelling applications. Anhui Feichun Special Cable Co., Ltd.\">\n    <meta name=\"keywords\" content=\"PUR cable, polyurethane cable, tunnelling cable, TBM cable, VDE 0250, mining cable, tunnel boring machine cable, (N)12Y cable, rubber cable alternative\">\n    <title>Why PUR (Polyurethane) Sheathed Cables Are Replacing Standard VDE Rubber Cables in Tunnelling | Anhui Feichun Special Cable<\/title>\n<\/head>\n<body>\n\n<article>\n    <header>\n        <h1>Why Are Polyurethane (PUR) Sheathed Cables Becoming Popular Alternatives to Standard VDE Rubber Cables in Tunnelling?<\/h1>\n        <p><em>\u4e3a\u4ec0\u4e48\u805a\u6c28\u916f\uff08PUR\uff09\u62a4\u5957\u7535\u7f06\u6b63\u5728\u6210\u4e3a\u96a7\u9053\u5de5\u7a0b\u4e2d\u6807\u51c6VDE\u6a61\u80f6\u7535\u7f06\u7684\u66ff\u4ee3\u54c1\uff1f<\/em><\/p>\n        \n        <p><strong>Technical Analysis by Anhui Feichun Special Cable Co., Ltd.<\/strong><br>\n        <em>\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u6280\u672f\u5206\u6790<\/em><\/p>\n    <\/header>\n\n    <nav>\n        <h2>Contents \u76ee\u5f55<\/h2>\n        <ul>\n            <li><a href=\"#introduction\">1. Introduction \u7b80\u4ecb<\/a><\/li>\n            <li><a href=\"#vde-designation\">2. Understanding VDE Cable Designations \u4e86\u89e3VDE\u7535\u7f06\u6807\u8bc6<\/a><\/li>\n            <li><a href=\"#material-comparison\">3. Material Comparison: PUR vs Rubber \u6750\u6599\u5bf9\u6bd4<\/a><\/li>\n            <li><a href=\"#technical-parameters\">4. Technical Parameters \u6280\u672f\u53c2\u6570<\/a><\/li>\n            <li><a href=\"#tunnelling-advantages\">5. Advantages in Tunnelling Applications \u96a7\u9053\u5e94\u7528\u4f18\u52bf<\/a><\/li>\n            <li><a href=\"#tbm-applications\">6. TBM Cable Applications TBM\u7535\u7f06\u5e94\u7528<\/a><\/li>\n            <li><a href=\"#standards\">7. Applicable Standards \u9002\u7528\u6807\u51c6<\/a><\/li>\n            <li><a href=\"#environmental\">8. Environmental Considerations \u73af\u4fdd\u8003\u91cf<\/a><\/li>\n            <li><a href=\"#conclusion\">9. Conclusion \u7ed3\u8bba<\/a><\/li>\n            <li><a href=\"#contact\">10. Contact Information \u8054\u7cfb\u65b9\u5f0f<\/a><\/li>\n        <\/ul>\n    <\/nav>\n\n    <section id=\"introduction\">\n        <h2>1. Introduction \u7b80\u4ecb<\/h2>\n        \n        <p>The tunnelling and underground mining industries have traditionally relied on heavy-duty rubber-sheathed cables manufactured according to DIN VDE 0250 standards. However, a significant shift is occurring as polyurethane (PUR) sheathed cables, designated with the VDE code &#8220;11Y&#8221; and &#8220;12Y&#8221; (for TPE-E variants), are increasingly specified for demanding tunnel boring machine (TBM) applications and underground operations.<\/p>\n        \n        <p><em>\u96a7\u9053\u548c\u5730\u4e0b\u91c7\u77ff\u884c\u4e1a\u4f20\u7edf\u4e0a\u4f9d\u8d56\u4e8e\u6309\u7167DIN VDE 0250\u6807\u51c6\u751f\u4ea7\u7684\u91cd\u578b\u6a61\u80f6\u62a4\u5957\u7535\u7f06\u3002\u7136\u800c\uff0c\u968f\u7740\u805a\u6c28\u916f\uff08PUR\uff09\u62a4\u5957\u7535\u7f06\uff08VDE\u4ee3\u7801\u4e3a&#8221;11Y&#8221;\uff0cTPE-E\u53d8\u4f53\u4e3a&#8221;12Y&#8221;\uff09\u5728\u96a7\u9053\u6398\u8fdb\u673a\uff08TBM\uff09\u548c\u5730\u4e0b\u4f5c\u4e1a\u7b49\u9ad8\u8981\u6c42\u5e94\u7528\u4e2d\u8d8a\u6765\u8d8a\u591a\u88ab\u6307\u5b9a\u4f7f\u7528\uff0c\u4e00\u4e2a\u91cd\u5927\u8f6c\u53d8\u6b63\u5728\u53d1\u751f\u3002<\/em><\/p>\n\n        <p>According to technical documentation from SAB Br\u00f6ckskes GmbH &amp; Co KG, PUR is classified as a thermoplastic elastomer (TPE) that exhibits mechanical characteristics similar to rubber at certain temperatures, combining thermoplastic and elastic properties that make it particularly suitable for demanding industrial applications.<\/p>\n        \n        <p><em>\u6839\u636eSAB Br\u00f6ckskes GmbH &amp; Co KG\u7684\u6280\u672f\u6587\u6863\uff0cPUR\u88ab\u5f52\u7c7b\u4e3a\u70ed\u5851\u6027\u5f39\u6027\u4f53\uff08TPE\uff09\uff0c\u5728\u7279\u5b9a\u6e29\u5ea6\u4e0b\u8868\u73b0\u51fa\u7c7b\u4f3c\u6a61\u80f6\u7684\u673a\u68b0\u7279\u6027\uff0c\u7ed3\u5408\u4e86\u70ed\u5851\u6027\u548c\u5f39\u6027\u7279\u6027\uff0c\u4f7f\u5176\u7279\u522b\u9002\u5408\u9ad8\u8981\u6c42\u7684\u5de5\u4e1a\u5e94\u7528\u3002<\/em><\/p>\n    <\/section>\n\n    <section id=\"vde-designation\">\n        <h2>2. Understanding VDE Cable Designations \u4e86\u89e3VDE\u7535\u7f06\u6807\u8bc6<\/h2>\n        \n        <p>The German DIN VDE standards provide a systematic nomenclature for cable materials. Understanding these designations is essential for proper cable specification in tunnelling projects.<\/p>\n        \n        <p><em>\u5fb7\u56fdDIN VDE\u6807\u51c6\u4e3a\u7535\u7f06\u6750\u6599\u63d0\u4f9b\u4e86\u7cfb\u7edf\u7684\u547d\u540d\u89c4\u5219\u3002\u4e86\u89e3\u8fd9\u4e9b\u6807\u8bc6\u5bf9\u4e8e\u96a7\u9053\u9879\u76ee\u4e2d\u6b63\u786e\u7684\u7535\u7f06\u89c4\u683c\u9009\u62e9\u81f3\u5173\u91cd\u8981\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 1: VDE Sheath Material Designation Codes<\/strong><br><em>\u88681\uff1aVDE\u62a4\u5957\u6750\u6599\u6807\u8bc6\u4ee3\u7801<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>VDE Code<br><em>VDE\u4ee3\u7801<\/em><\/th>\n                    <th>Material<br><em>\u6750\u6599<\/em><\/th>\n                    <th>Description<br><em>\u63cf\u8ff0<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>Y<\/td>\n                    <td>PVC<\/td>\n                    <td>Polyvinyl Chloride \u805a\u6c2f\u4e59\u70ef<\/td>\n                <\/tr>\n                <tr>\n                    <td>2Y<\/td>\n                    <td>PE<\/td>\n                    <td>Polyethylene \u805a\u4e59\u70ef<\/td>\n                <\/tr>\n                <tr>\n                    <td>G<\/td>\n                    <td>Rubber<\/td>\n                    <td>Elastomer\/Rubber Compound \u5f39\u6027\u4f53\/\u6a61\u80f6\u5316\u5408\u7269<\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>11Y<\/strong><\/td>\n                    <td><strong>PUR<\/strong><\/td>\n                    <td><strong>Polyurethane \u805a\u6c28\u916f<\/strong><\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>12Y<\/strong><\/td>\n                    <td><strong>TPE-E<\/strong><\/td>\n                    <td><strong>Thermoplastic Polyester Elastomer \u70ed\u5851\u6027\u805a\u916f\u5f39\u6027\u4f53<\/strong><\/td>\n                <\/tr>\n                <tr>\n                    <td>13Y<\/td>\n                    <td>TPE-EE<\/td>\n                    <td>TPE based on Polyester-Ester \u57fa\u4e8e\u805a\u916f-\u916f\u7684TPE<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p>Source: HELUKABEL Technical Documentation<\/p>\n        <p><a href=\"https:\/\/www.helukabel.com\/media\/publication\/de\/cor_docs\/qt_23\/QT_COR-DOCS_X_014_Code-designation-explanations_for_cables_and_insulated.pdf\" rel=\"nofollow noopener\" target=\"_blank\">Reference: HELUKABEL Code Designation Explanations<\/a><\/p>\n\n        <p>The &#8220;(N)&#8221; prefix in cable designations such as (N)SHT\u00d6U or (N)12Y indicates cables manufactured according to VDE standards with copper conductors as the default specification.<\/p>\n        \n        <p><em>\u7535\u7f06\u6807\u8bc6\u4e2d\u7684&#8221;(N)&#8221;\u524d\u7f00\uff0c\u5982(N)SHT\u00d6U\u6216(N)12Y\uff0c\u8868\u793a\u6309\u7167VDE\u6807\u51c6\u751f\u4ea7\u7684\u7535\u7f06\uff0c\u9ed8\u8ba4\u4f7f\u7528\u94dc\u5bfc\u4f53\u3002<\/em><\/p>\n    <\/section>\n\n    <section id=\"material-comparison\">\n        <h2>3. Material Comparison: PUR vs Rubber \u6750\u6599\u5bf9\u6bd4\uff1aPUR\u4e0e\u6a61\u80f6<\/h2>\n        \n        <p>The fundamental differences between polyurethane (PUR) and traditional rubber compounds significantly impact cable performance in tunnelling environments.<\/p>\n        \n        <p><em>\u805a\u6c28\u916f\uff08PUR\uff09\u4e0e\u4f20\u7edf\u6a61\u80f6\u5316\u5408\u7269\u4e4b\u95f4\u7684\u6839\u672c\u5dee\u5f02\u663e\u8457\u5f71\u54cd\u7740\u7535\u7f06\u5728\u96a7\u9053\u73af\u5883\u4e2d\u7684\u6027\u80fd\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 2: PUR vs Rubber Sheath &#8211; Property Comparison<\/strong><br><em>\u88682\uff1aPUR\u4e0e\u6a61\u80f6\u62a4\u5957 &#8211; \u6027\u80fd\u5bf9\u6bd4<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>Property<br><em>\u6027\u80fd<\/em><\/th>\n                    <th>PUR (11Y)<br><em>\u805a\u6c28\u916f<\/em><\/th>\n                    <th>Rubber (G\/5GM5)<br><em>\u6a61\u80f6<\/em><\/th>\n                    <th>Advantage<br><em>\u4f18\u52bf\u65b9<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>Abrasion Resistance<br><em>\u8010\u78e8\u6027<\/em><\/td>\n                    <td>Excellent (\u2264200 mm\u00b3 loss)<\/td>\n                    <td>Good (\u2264300 mm\u00b3 loss)<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Tear Resistance<br><em>\u6297\u6495\u88c2\u6027<\/em><\/td>\n                    <td>Very High<\/td>\n                    <td>High<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Notch Resistance<br><em>\u6297\u5207\u53e3\u6027<\/em><\/td>\n                    <td>Excellent<\/td>\n                    <td>Good<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Oil Resistance<br><em>\u8010\u6cb9\u6027<\/em><\/td>\n                    <td>Excellent<\/td>\n                    <td>Good to Excellent<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Low Temperature Flexibility<br><em>\u4f4e\u6e29\u67d4\u97e7\u6027<\/em><\/td>\n                    <td>-40\u00b0C to -50\u00b0C<\/td>\n                    <td>-25\u00b0C to -40\u00b0C<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Upper Temperature Limit<br><em>\u6700\u9ad8\u5de5\u4f5c\u6e29\u5ea6<\/em><\/td>\n                    <td>+80\u00b0C to +90\u00b0C<\/td>\n                    <td>+80\u00b0C to +90\u00b0C<\/td>\n                    <td>Equal<\/td>\n                <\/tr>\n                <tr>\n                    <td>Hydrolysis Resistance<br><em>\u8010\u6c34\u89e3\u6027<\/em><\/td>\n                    <td>Excellent (Polyether-based)<\/td>\n                    <td>Good<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Recyclability<br><em>\u53ef\u56de\u6536\u6027<\/em><\/td>\n                    <td>Recyclable (Thermoplastic)<\/td>\n                    <td>Not Recyclable (Thermoset)<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n                <tr>\n                    <td>Initial Cost<br><em>\u521d\u59cb\u6210\u672c<\/em><\/td>\n                    <td>Higher<\/td>\n                    <td>Lower<\/td>\n                    <td>Rubber<\/td>\n                <\/tr>\n                <tr>\n                    <td>Service Life<br><em>\u4f7f\u7528\u5bff\u547d<\/em><\/td>\n                    <td>Extended (up to 60% longer)<\/td>\n                    <td>Standard<\/td>\n                    <td>PUR<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p>Sources:<\/p>\n        <ul>\n            <li><a href=\"https:\/\/www.elandcables.com\/the-cable-lab\/faqs\/faq-what-are-the-benefits-of-pur-cables\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; Benefits of PUR Cables<\/a><\/li>\n            <li><a href=\"https:\/\/www.sab-cable.com\/cables-wires-harnessing-temperature-measurement\/technical-data\/cables-and-wires\/polyurethane-pur.html\" rel=\"nofollow noopener\" target=\"_blank\">SAB Br\u00f6ckskes &#8211; PUR Technical Data<\/a><\/li>\n        <\/ul>\n\n        <h3>3.1 Polyether vs Polyester-Based PUR \u805a\u919a\u57fa\u4e0e\u805a\u916f\u57faPUR<\/h3>\n        \n        <p>An important distinction exists between polyether-based and polyester-based polyurethane compounds. For tunnelling applications where moisture exposure is common, polyether-based PUR is strongly recommended due to its superior hydrolysis resistance.<\/p>\n        \n        <p><em>\u805a\u919a\u57fa\u548c\u805a\u916f\u57fa\u805a\u6c28\u916f\u5316\u5408\u7269\u4e4b\u95f4\u5b58\u5728\u91cd\u8981\u533a\u522b\u3002\u5bf9\u4e8e\u5e38\u89c1\u6f6e\u6e7f\u73af\u5883\u7684\u96a7\u9053\u5e94\u7528\uff0c\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u805a\u919a\u57faPUR\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u4f18\u8d8a\u7684\u8010\u6c34\u89e3\u6027\u80fd\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 3: Polyether vs Polyester PUR Characteristics<\/strong><br><em>\u88683\uff1a\u805a\u919a\u57fa\u4e0e\u805a\u916f\u57faPUR\u7279\u6027<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>Characteristic<br><em>\u7279\u6027<\/em><\/th>\n                    <th>Polyether PUR<br><em>\u805a\u919a\u57faPUR<\/em><\/th>\n                    <th>Polyester PUR<br><em>\u805a\u916f\u57faPUR<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>Hydrolysis Resistance<br><em>\u8010\u6c34\u89e3\u6027<\/em><\/td>\n                    <td>Excellent (VZ \u2264 200)<\/td>\n                    <td>Poor (VZ \u2265 350)<\/td>\n                <\/tr>\n                <tr>\n                    <td>Microbe Resistance<br><em>\u6297\u5fae\u751f\u7269\u6027<\/em><\/td>\n                    <td>Excellent<\/td>\n                    <td>Susceptible to degradation<\/td>\n                <\/tr>\n                <tr>\n                    <td>Tropical Climate Suitability<br><em>\u70ed\u5e26\u6c14\u5019\u9002\u7528\u6027<\/em><\/td>\n                    <td>Excellent<\/td>\n                    <td>Not recommended<\/td>\n                <\/tr>\n                <tr>\n                    <td>Tunnelling Application<br><em>\u96a7\u9053\u5e94\u7528<\/em><\/td>\n                    <td><strong>Recommended \u63a8\u8350<\/strong><\/td>\n                    <td>Not suitable<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p><a href=\"https:\/\/www.ruitiancables.com\/products\/pur-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">Reference: PUR Cable Technical Properties<\/a><\/p>\n    <\/section>\n\n    <section id=\"technical-parameters\">\n        <h2>4. Technical Parameters \u6280\u672f\u53c2\u6570<\/h2>\n        \n        <p>The following specifications represent typical values for PUR-sheathed cables used in tunnelling and TBM applications.<\/p>\n        \n        <p><em>\u4ee5\u4e0b\u89c4\u683c\u4ee3\u8868\u7528\u4e8e\u96a7\u9053\u548cTBM\u5e94\u7528\u7684PUR\u62a4\u5957\u7535\u7f06\u7684\u5178\u578b\u53c2\u6570\u503c\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 4: Technical Specifications for Tunnelling PUR Cables<\/strong><br><em>\u88684\uff1a\u96a7\u9053\u7528PUR\u7535\u7f06\u6280\u672f\u89c4\u683c<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>Parameter<br><em>\u53c2\u6570<\/em><\/th>\n                    <th>Value<br><em>\u6570\u503c<\/em><\/th>\n                    <th>Test Standard<br><em>\u6d4b\u8bd5\u6807\u51c6<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>Rated Voltage (U\u2080\/U)<br><em>\u989d\u5b9a\u7535\u538b<\/em><\/td>\n                    <td>0.6\/1 kV &#8211; 18\/30 kV<\/td>\n                    <td>DIN VDE 0250<\/td>\n                <\/tr>\n                <tr>\n                    <td>Conductor Class<br><em>\u5bfc\u4f53\u7b49\u7ea7<\/em><\/td>\n                    <td>Class 5 (Flexible) \/ Class 6 (Extra Flexible)<\/td>\n                    <td>DIN VDE 0295 \/ IEC 60228<\/td>\n                <\/tr>\n                <tr>\n                    <td>Operating Temperature (Moving)<br><em>\u5de5\u4f5c\u6e29\u5ea6\uff08\u79fb\u52a8\uff09<\/em><\/td>\n                    <td>-40\u00b0C to +80\u00b0C<\/td>\n                    <td>DIN VDE 0298<\/td>\n                <\/tr>\n                <tr>\n                    <td>Operating Temperature (Fixed)<br><em>\u5de5\u4f5c\u6e29\u5ea6\uff08\u56fa\u5b9a\uff09<\/em><\/td>\n                    <td>-50\u00b0C to +90\u00b0C<\/td>\n                    <td>DIN VDE 0298<\/td>\n                <\/tr>\n                <tr>\n                    <td>Maximum Short Circuit Temperature<br><em>\u6700\u9ad8\u77ed\u8def\u6e29\u5ea6<\/em><\/td>\n                    <td>+250\u00b0C<\/td>\n                    <td>DIN VDE 0298<\/td>\n                <\/tr>\n                <tr>\n                    <td>Minimum Bending Radius (Fixed)<br><em>\u6700\u5c0f\u5f2f\u66f2\u534a\u5f84\uff08\u56fa\u5b9a\uff09<\/em><\/td>\n                    <td>4 \u00d7 D<\/td>\n                    <td>DIN VDE 0298-3<\/td>\n                <\/tr>\n                <tr>\n                    <td>Minimum Bending Radius (Moving)<br><em>\u6700\u5c0f\u5f2f\u66f2\u534a\u5f84\uff08\u79fb\u52a8\uff09<\/em><\/td>\n                    <td>6-8 \u00d7 D<\/td>\n                    <td>DIN VDE 0298-3<\/td>\n                <\/tr>\n                <tr>\n                    <td>Maximum Tensile Load<br><em>\u6700\u5927\u62c9\u4f38\u8d1f\u8f7d<\/em><\/td>\n                    <td>15-30 N\/mm\u00b2<\/td>\n                    <td>DIN VDE 0472<\/td>\n                <\/tr>\n                <tr>\n                    <td>Abrasion Resistance<br><em>\u8010\u78e8\u6027<\/em><\/td>\n                    <td>\u2264200 mm\u00b3<\/td>\n                    <td>DIN VDE 0472-613<\/td>\n                <\/tr>\n                <tr>\n                    <td>Oil Resistance<br><em>\u8010\u6cb9\u6027<\/em><\/td>\n                    <td>Excellent<\/td>\n                    <td>IEC 60811-2-1<\/td>\n                <\/tr>\n                <tr>\n                    <td>Flame Retardancy<br><em>\u963b\u71c3\u6027<\/em><\/td>\n                    <td>Self-extinguishing<\/td>\n                    <td>IEC 60332-1<\/td>\n                <\/tr>\n                <tr>\n                    <td>Travel Speed (TBM Application)<br><em>\u884c\u8fdb\u901f\u5ea6\uff08TBM\u5e94\u7528\uff09<\/em><\/td>\n                    <td>max. 30 m\/min<\/td>\n                    <td>Manufacturer specification<\/td>\n                <\/tr>\n                <tr>\n                    <td>Maximum Torsion<br><em>\u6700\u5927\u626d\u8f6c<\/em><\/td>\n                    <td>\u00b125\u00b0\/m<\/td>\n                    <td>Manufacturer specification<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p>Sources:<\/p>\n        <ul>\n            <li><a href=\"https:\/\/www.untel.com.tr\/en\/tunel-kablolari\/ntscgecwou-tbm\/\" rel=\"nofollow noopener\" target=\"_blank\">\u00dcNTEL &#8211; TBM Cable Specifications<\/a><\/li>\n            <li><a href=\"https:\/\/halleycables.com\/en\/signal-control-instrumentation\/79-birtflex-6512-pur-tpe-e-insulated-pur-polyurethane-sheathed-extra-flexible-oil-resistant-control-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">Halley Cables &#8211; PUR Control Cable Data<\/a><\/li>\n        <\/ul>\n    <\/section>\n\n    <section id=\"tunnelling-advantages\">\n        <h2>5. Advantages in Tunnelling Applications \u96a7\u9053\u5e94\u7528\u4f18\u52bf<\/h2>\n        \n        <p>PUR-sheathed cables offer multiple advantages in the demanding tunnelling environment, making them increasingly preferred over traditional rubber cables.<\/p>\n        \n        <p><em>PUR\u62a4\u5957\u7535\u7f06\u5728\u9ad8\u8981\u6c42\u7684\u96a7\u9053\u73af\u5883\u4e2d\u63d0\u4f9b\u591a\u91cd\u4f18\u52bf\uff0c\u4f7f\u5176\u8d8a\u6765\u8d8a\u53d7\u5230\u9752\u7750\uff0c\u9010\u6e10\u53d6\u4ee3\u4f20\u7edf\u6a61\u80f6\u7535\u7f06\u3002<\/em><\/p>\n\n        <h3>5.1 Superior Mechanical Performance \u4f18\u8d8a\u7684\u673a\u68b0\u6027\u80fd<\/h3>\n        \n        <p>Tunnelling cables face extreme mechanical stress from continuous reeling and unreeling operations, abrasion against rock surfaces and tunnel walls, impact from falling debris and equipment, crushing loads from heavy machinery, and repeated flexing during TBM operations. PUR sheathing provides exceptional resistance to all these stress factors, with documented abrasion resistance up to 50% better than standard rubber compounds.<\/p>\n        \n        <p><em>\u96a7\u9053\u7535\u7f06\u9762\u4e34\u6765\u81ea\u6301\u7eed\u5377\u7ed5\u548c\u5c55\u5f00\u64cd\u4f5c\u3001\u4e0e\u5ca9\u77f3\u8868\u9762\u548c\u96a7\u9053\u58c1\u7684\u6469\u64e6\u3001\u843d\u77f3\u548c\u8bbe\u5907\u7684\u51b2\u51fb\u3001\u91cd\u578b\u673a\u68b0\u7684\u6324\u538b\u8d1f\u8f7d\u4ee5\u53caTBM\u64cd\u4f5c\u671f\u95f4\u7684\u53cd\u590d\u5f2f\u66f2\u7b49\u6781\u7aef\u673a\u68b0\u5e94\u529b\u3002PUR\u62a4\u5957\u5bf9\u6240\u6709\u8fd9\u4e9b\u5e94\u529b\u56e0\u7d20\u63d0\u4f9b\u5353\u8d8a\u7684\u62b5\u6297\u529b\uff0c\u5176\u8010\u78e8\u6027\u80fd\u6bd4\u6807\u51c6\u6a61\u80f6\u5316\u5408\u7269\u9ad8\u51fa50%\u3002<\/em><\/p>\n\n        <h3>5.2 Chemical Resistance in Underground Environments \u5730\u4e0b\u73af\u5883\u4e2d\u7684\u8010\u5316\u5b66\u6027<\/h3>\n        \n        <p>Underground tunnelling environments expose cables to hydraulic fluids and lubricants, cutting oils from TBM operations, groundwater with varying mineral content, and cleaning agents and concrete additives. PUR demonstrates excellent resistance to mineral oils, greases, and many industrial chemicals, maintaining cable integrity throughout the project lifecycle.<\/p>\n        \n        <p><em>\u5730\u4e0b\u96a7\u9053\u73af\u5883\u4f7f\u7535\u7f06\u66b4\u9732\u4e8e\u6db2\u538b\u6cb9\u548c\u6da6\u6ed1\u5242\u3001TBM\u64cd\u4f5c\u4e2d\u7684\u5207\u524a\u6cb9\u3001\u542b\u6709\u4e0d\u540c\u77ff\u7269\u8d28\u7684\u5730\u4e0b\u6c34\uff0c\u4ee5\u53ca\u6e05\u6d01\u5242\u548c\u6df7\u51dd\u571f\u6dfb\u52a0\u5242\u3002PUR\u5bf9\u77ff\u7269\u6cb9\u3001\u6da6\u6ed1\u8102\u548c\u8bb8\u591a\u5de5\u4e1a\u5316\u5b66\u54c1\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u62b5\u6297\u529b\uff0c\u5728\u6574\u4e2a\u9879\u76ee\u5468\u671f\u5185\u4fdd\u6301\u7535\u7f06\u5b8c\u6574\u6027\u3002<\/em><\/p>\n\n        <h3>5.3 Extended Service Life \u5ef6\u957f\u7684\u4f7f\u7528\u5bff\u547d<\/h3>\n        \n        <p>According to research documented by Eland Cables and industry sources, PUR-sheathed cables can provide service life extensions of up to 60% compared to equivalent rubber-sheathed cables in demanding underground applications. This translates to significant cost savings through reduced cable replacement frequency and minimized operational downtime.<\/p>\n        \n        <p><em>\u6839\u636eEland Cables\u548c\u884c\u4e1a\u8d44\u6599\u7684\u7814\u7a76\u8bb0\u5f55\uff0c\u5728\u9ad8\u8981\u6c42\u7684\u5730\u4e0b\u5e94\u7528\u4e2d\uff0cPUR\u62a4\u5957\u7535\u7f06\u4e0e\u540c\u7b49\u6a61\u80f6\u62a4\u5957\u7535\u7f06\u76f8\u6bd4\uff0c\u4f7f\u7528\u5bff\u547d\u53ef\u5ef6\u957f\u9ad8\u8fbe60%\u3002\u8fd9\u901a\u8fc7\u51cf\u5c11\u7535\u7f06\u66f4\u6362\u9891\u7387\u548c\u6700\u5c0f\u5316\u8fd0\u8425\u505c\u673a\u65f6\u95f4\u8f6c\u5316\u4e3a\u663e\u8457\u7684\u6210\u672c\u8282\u7ea6\u3002<\/em><\/p>\n\n        <p><a href=\"https:\/\/feichuncables.com\/blog\/what-is-din-vde-0250-reeling-cables\/\" rel=\"nofollow\" target=\"_blank\">Reference: DIN VDE 0250 Reeling Cable Service Life Analysis<\/a><\/p>\n    <\/section>\n\n    <section id=\"tbm-applications\">\n        <h2>6. TBM Cable Applications TBM\u7535\u7f06\u5e94\u7528<\/h2>\n        \n        <p>Tunnel boring machines represent one of the most demanding applications for electrical cables, requiring high-power cables for reeling power supply, reliable power delivery over extended lengths often exceeding 1km, continuous operation under extreme mechanical stress, and compatibility with monitoring and communication systems.<\/p>\n        \n        <p><em>\u96a7\u9053\u6398\u8fdb\u673a\u4ee3\u8868\u4e86\u7535\u7f06\u6700\u82db\u523b\u7684\u5e94\u7528\u4e4b\u4e00\uff0c\u9700\u8981\u7528\u4e8e\u5377\u7b52\u4f9b\u7535\u7684\u5927\u529f\u7387\u7535\u7f06\u3001\u901a\u5e38\u8d85\u8fc71\u516c\u91cc\u7684\u957f\u8ddd\u79bb\u53ef\u9760\u4f9b\u7535\u3001\u6781\u7aef\u673a\u68b0\u5e94\u529b\u4e0b\u7684\u8fde\u7eed\u8fd0\u884c\uff0c\u4ee5\u53ca\u4e0e\u76d1\u63a7\u548c\u901a\u4fe1\u7cfb\u7edf\u7684\u517c\u5bb9\u6027\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 5: TBM Cable Type Designations (VDE 0250)<\/strong><br><em>\u88685\uff1aTBM\u7535\u7f06\u578b\u53f7\u6807\u8bc6\uff08VDE 0250\uff09<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>Cable Type<br><em>\u7535\u7f06\u578b\u53f7<\/em><\/th>\n                    <th>Voltage Rating<br><em>\u7535\u538b\u7b49\u7ea7<\/em><\/th>\n                    <th>Sheath Material<br><em>\u62a4\u5957\u6750\u6599<\/em><\/th>\n                    <th>Application<br><em>\u5e94\u7528<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>(N)TSCGEW\u00d6U<\/td>\n                    <td>3.6\/6 kV &#8211; 18\/30 kV<\/td>\n                    <td>5GM5 Rubber<\/td>\n                    <td>Standard TBM reeling<\/td>\n                <\/tr>\n                <tr>\n                    <td>(N)SHT\u00d6U-PUR<\/td>\n                    <td>0.6\/1 kV<\/td>\n                    <td>PUR (11Y)<\/td>\n                    <td>Heavy-duty reeling with enhanced abrasion resistance<\/td>\n                <\/tr>\n                <tr>\n                    <td>(N)GRDGOEU<\/td>\n                    <td>0.6\/1 kV<\/td>\n                    <td>PUR (11Y)<\/td>\n                    <td>Energy chain\/cable track systems<\/td>\n                <\/tr>\n                <tr>\n                    <td>(N)3GHSSHCH<\/td>\n                    <td>6\/10 kV &#8211; 12\/20 kV<\/td>\n                    <td>LSZH with SWB<\/td>\n                    <td>Underground tunnelling with fire safety requirements<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p>Sources:<\/p>\n        <ul>\n            <li><a href=\"https:\/\/www.prysmian.com\/en\/markets\/specialties\/industries\/mining\" rel=\"nofollow noopener\" target=\"_blank\">Prysmian Group &#8211; Mining &amp; Tunnelling Cables<\/a><\/li>\n            <li><a href=\"https:\/\/tratosgroup.com\/products\/special-cables\/mining-tunneling-cables\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos Group &#8211; Mining &amp; Tunnelling Cable Range<\/a><\/li>\n        <\/ul>\n\n        <h3>6.1 Reeling System Requirements \u5377\u7b52\u7cfb\u7edf\u8981\u6c42<\/h3>\n        \n        <p>TBM reeling cables must withstand thousands of reeling cycles during tunnel construction. PUR sheathing provides the necessary flexibility and mechanical durability to maintain electrical integrity throughout these demanding operations. Key specifications include Class 5 or Class 6 flexible tinned copper conductors per IEC 60228, EPR (3GI3) or XLPE insulation for electrical performance, semiconductive screening for medium voltage applications, anti-twist elements between inner and outer sheath, and concentric copper conductors for grounding and EMC protection.<\/p>\n        \n        <p><em>TBM\u5377\u7b52\u7535\u7f06\u5fc5\u987b\u5728\u96a7\u9053\u65bd\u5de5\u671f\u95f4\u627f\u53d7\u6570\u5343\u6b21\u5377\u7ed5\u5faa\u73af\u3002PUR\u62a4\u5957\u63d0\u4f9b\u5fc5\u8981\u7684\u67d4\u97e7\u6027\u548c\u673a\u68b0\u8010\u4e45\u6027\uff0c\u4ee5\u5728\u8fd9\u4e9b\u9ad8\u8981\u6c42\u7684\u64cd\u4f5c\u4e2d\u4fdd\u6301\u7535\u6c14\u5b8c\u6574\u6027\u3002\u5173\u952e\u89c4\u683c\u5305\u62ec\uff1a\u7b26\u5408IEC 60228\u76845\u7c7b\u62166\u7c7b\u67d4\u6027\u9540\u9521\u94dc\u5bfc\u4f53\u3001\u7528\u4e8e\u7535\u6c14\u6027\u80fd\u7684EPR\uff083GI3\uff09\u6216XLPE\u7edd\u7f18\u3001\u4e2d\u538b\u5e94\u7528\u7684\u534a\u5bfc\u7535\u5c4f\u853d\u3001\u5185\u5916\u62a4\u5957\u4e4b\u95f4\u7684\u9632\u626d\u5143\u4ef6\uff0c\u4ee5\u53ca\u7528\u4e8e\u63a5\u5730\u548cEMC\u4fdd\u62a4\u7684\u540c\u5fc3\u94dc\u5bfc\u4f53\u3002<\/em><\/p>\n\n        <p><a href=\"https:\/\/feichuncables.com\/blog\/what-is-mining-drilling-tunnelling-cable-solutions-for-surface-sub-surface-underground-operations\/\" rel=\"nofollow\" target=\"_blank\">Reference: Mining, Drilling &amp; Tunnelling Cable Solutions<\/a><\/p>\n    <\/section>\n\n    <section id=\"standards\">\n        <h2>7. Applicable Standards \u9002\u7528\u6807\u51c6<\/h2>\n        \n        <p>PUR-sheathed cables for tunnelling applications must comply with multiple international and national standards to ensure safety and performance.<\/p>\n        \n        <p><em>\u7528\u4e8e\u96a7\u9053\u5e94\u7528\u7684PUR\u62a4\u5957\u7535\u7f06\u5fc5\u987b\u7b26\u5408\u591a\u9879\u56fd\u9645\u548c\u56fd\u5bb6\u6807\u51c6\uff0c\u4ee5\u786e\u4fdd\u5b89\u5168\u548c\u6027\u80fd\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 6: Relevant Standards for Tunnelling Cables<\/strong><br><em>\u88686\uff1a\u96a7\u9053\u7535\u7f06\u76f8\u5173\u6807\u51c6<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>Standard<br><em>\u6807\u51c6<\/em><\/th>\n                    <th>Scope<br><em>\u8303\u56f4<\/em><\/th>\n                    <th>Key Requirements<br><em>\u5173\u952e\u8981\u6c42<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>DIN VDE 0250<\/td>\n                    <td>German national standard for flexible cables<\/td>\n                    <td>Construction, testing, and performance requirements for reeling and mining cables<\/td>\n                <\/tr>\n                <tr>\n                    <td>DIN VDE 0250-812<\/td>\n                    <td>NSSH\u00d6U rubber cables<\/td>\n                    <td>Heavy-duty rubber-sheathed flexible cables up to 0.6\/1kV<\/td>\n                <\/tr>\n                <tr>\n                    <td>DIN VDE 0250-813<\/td>\n                    <td>Medium voltage mining cables<\/td>\n                    <td>Flexible MV cables for mining and tunnelling<\/td>\n                <\/tr>\n                <tr>\n                    <td>DIN VDE 0250-814<\/td>\n                    <td>Drum reeling cables<\/td>\n                    <td>Specifications for (N)SHT\u00d6U type cables<\/td>\n                <\/tr>\n                <tr>\n                    <td>IEC 60228<\/td>\n                    <td>Conductor specifications<\/td>\n                    <td>Class 5 and Class 6 flexible conductor requirements<\/td>\n                <\/tr>\n                <tr>\n                    <td>IEC 60502<\/td>\n                    <td>Power cables 1kV-30kV<\/td>\n                    <td>Construction and testing of extruded insulation cables<\/td>\n                <\/tr>\n                <tr>\n                    <td>EN 50525-2-21<\/td>\n                    <td>Flexible cables with TPU sheath<\/td>\n                    <td>Requirements for PUR-sheathed cables up to 450\/750V<\/td>\n                <\/tr>\n                <tr>\n                    <td>IEC 60332-1<\/td>\n                    <td>Flame propagation test<\/td>\n                    <td>Single cable vertical flame test<\/td>\n                <\/tr>\n                <tr>\n                    <td>IEC 60754<\/td>\n                    <td>Halogen content and acidity<\/td>\n                    <td>Test for gases evolved during combustion<\/td>\n                <\/tr>\n                <tr>\n                    <td>IEC 61034<\/td>\n                    <td>Smoke density<\/td>\n                    <td>Measurement of smoke density during combustion<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p>Sources:<\/p>\n        <ul>\n            <li><a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/vde0250-cable\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; DIN VDE 0250 Standard Overview<\/a><\/li>\n            <li><a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/iec-60502-cable\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; IEC 60502 Standard Overview<\/a><\/li>\n        <\/ul>\n    <\/section>\n\n    <section id=\"environmental\">\n        <h2>8. Environmental Considerations \u73af\u4fdd\u8003\u91cf<\/h2>\n        \n        <p>The environmental advantages of PUR over traditional rubber compounds are becoming increasingly important in modern tunnelling projects.<\/p>\n        \n        <p><em>PUR\u76f8\u5bf9\u4e8e\u4f20\u7edf\u6a61\u80f6\u5316\u5408\u7269\u7684\u73af\u4fdd\u4f18\u52bf\u5728\u73b0\u4ee3\u96a7\u9053\u9879\u76ee\u4e2d\u53d8\u5f97\u8d8a\u6765\u8d8a\u91cd\u8981\u3002<\/em><\/p>\n\n        <h3>8.1 Halogen-Free Options \u65e0\u5364\u9009\u9879<\/h3>\n        \n        <p>PUR cables can be formulated as halogen-free, low smoke zero halogen (LSZH) products. This is critical for tunnel applications where fire safety requirements mandate minimal smoke production and absence of toxic halogen gases (chlorine, bromine, fluorine) during combustion events.<\/p>\n        \n        <p><em>PUR\u7535\u7f06\u53ef\u4ee5\u914d\u5236\u6210\u65e0\u5364\u3001\u4f4e\u70df\u65e0\u5364\uff08LSZH\uff09\u4ea7\u54c1\u3002\u8fd9\u5bf9\u4e8e\u9632\u706b\u5b89\u5168\u8981\u6c42\u89c4\u5b9a\u5728\u71c3\u70e7\u4e8b\u4ef6\u4e2d\u6700\u5c0f\u5316\u70df\u96fe\u4ea7\u751f\u548c\u4e0d\u4ea7\u751f\u6709\u6bd2\u5364\u7d20\u6c14\u4f53\uff08\u6c2f\u3001\u6eb4\u3001\u6c1f\uff09\u7684\u96a7\u9053\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <caption><strong>Table 7: Fire Safety Comparison<\/strong><br><em>\u88687\uff1a\u9632\u706b\u5b89\u5168\u5bf9\u6bd4<\/em><\/caption>\n            <thead>\n                <tr>\n                    <th>Property<br><em>\u7279\u6027<\/em><\/th>\n                    <th>PUR (LSZH)<br><em>PUR\uff08\u4f4e\u70df\u65e0\u5364\uff09<\/em><\/th>\n                    <th>PVC<br><em>\u805a\u6c2f\u4e59\u70ef<\/em><\/th>\n                    <th>Standard Rubber<br><em>\u6807\u51c6\u6a61\u80f6<\/em><\/th>\n                <\/tr>\n            <\/thead>\n            <tbody>\n                <tr>\n                    <td>Halogen Content<br><em>\u5364\u7d20\u542b\u91cf<\/em><\/td>\n                    <td>None (Halogen-free)<\/td>\n                    <td>High (Chlorine)<\/td>\n                    <td>Variable<\/td>\n                <\/tr>\n                <tr>\n                    <td>Smoke Emission<br><em>\u70df\u96fe\u6392\u653e<\/em><\/td>\n                    <td>Very Low<\/td>\n                    <td>High (Dense black smoke)<\/td>\n                    <td>Moderate<\/td>\n                <\/tr>\n                <tr>\n                    <td>Toxic Fumes<br><em>\u6709\u6bd2\u70df\u96fe<\/em><\/td>\n                    <td>Non-toxic<\/td>\n                    <td>Hydrogen chloride (corrosive)<\/td>\n                    <td>Variable<\/td>\n                <\/tr>\n                <tr>\n                    <td>Visibility in Fire<br><em>\u706b\u707e\u4e2d\u7684\u80fd\u89c1\u5ea6<\/em><\/td>\n                    <td>Maintained<\/td>\n                    <td>Severely reduced<\/td>\n                    <td>Reduced<\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p><a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-type\/lszh-cable\" rel=\"nofollow noopener\" target=\"_blank\">Reference: Eland Cables &#8211; LSZH Cable Information<\/a><\/p>\n\n        <h3>8.2 Recyclability \u53ef\u56de\u6536\u6027<\/h3>\n        \n        <p>As a thermoplastic material, PUR can be melted and reprocessed without losing its fundamental properties. This contrasts with traditional thermoset rubber compounds used in conventional mining cables, which require vulcanization and cannot be recycled. This characteristic supports circular economy initiatives and reduces end-of-life environmental impact.<\/p>\n        \n        <p><em>\u4f5c\u4e3a\u70ed\u5851\u6027\u6750\u6599\uff0cPUR\u53ef\u4ee5\u5728\u4e0d\u5931\u53bb\u5176\u57fa\u672c\u7279\u6027\u7684\u60c5\u51b5\u4e0b\u7194\u5316\u548c\u518d\u52a0\u5de5\u3002\u8fd9\u4e0e\u4f20\u7edf\u91c7\u77ff\u7535\u7f06\u4e2d\u4f7f\u7528\u7684\u9700\u8981\u786b\u5316\u4e14\u65e0\u6cd5\u56de\u6536\u7684\u70ed\u56fa\u6027\u6a61\u80f6\u5316\u5408\u7269\u5f62\u6210\u5bf9\u6bd4\u3002\u8fd9\u4e00\u7279\u6027\u652f\u6301\u5faa\u73af\u7ecf\u6d4e\u5021\u8bae\uff0c\u51cf\u5c11\u4ea7\u54c1\u751f\u547d\u5468\u671f\u7ed3\u675f\u65f6\u7684\u73af\u5883\u5f71\u54cd\u3002<\/em><\/p>\n\n        <p><a href=\"https:\/\/www.bannerengineering.com\/us\/en\/company\/expert-insights\/pvc-cable-pur-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">Reference: Banner Engineering &#8211; PVC vs PUR Cable Comparison<\/a><\/p>\n    <\/section>\n\n    <section id=\"conclusion\">\n        <h2>9. Conclusion \u7ed3\u8bba<\/h2>\n        \n        <p>The shift from standard VDE rubber cables to polyurethane (PUR) sheathed cables in tunnelling applications represents a significant advancement in cable technology. The superior mechanical properties of PUR, including exceptional abrasion resistance, notch resistance, and oil resistance, combined with improved low-temperature flexibility and extended service life, make PUR cables an economically advantageous choice despite higher initial costs.<\/p>\n        \n        <p><em>\u4ece\u6807\u51c6VDE\u6a61\u80f6\u7535\u7f06\u5411\u96a7\u9053\u5e94\u7528\u4e2d\u7684\u805a\u6c28\u916f\uff08PUR\uff09\u62a4\u5957\u7535\u7f06\u7684\u8f6c\u53d8\u4ee3\u8868\u4e86\u7535\u7f06\u6280\u672f\u7684\u91cd\u5927\u8fdb\u6b65\u3002PUR\u4f18\u8d8a\u7684\u673a\u68b0\u6027\u80fd\uff0c\u5305\u62ec\u5353\u8d8a\u7684\u8010\u78e8\u6027\u3001\u6297\u5207\u53e3\u6027\u548c\u8010\u6cb9\u6027\uff0c\u52a0\u4e0a\u6539\u8fdb\u7684\u4f4e\u6e29\u67d4\u97e7\u6027\u548c\u5ef6\u957f\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u4f7fPUR\u7535\u7f06\u5c3d\u7ba1\u521d\u59cb\u6210\u672c\u8f83\u9ad8\uff0c\u4ecd\u662f\u7ecf\u6d4e\u4e0a\u6709\u5229\u7684\u9009\u62e9\u3002<\/em><\/p>\n\n        <p>For tunnel boring machine applications and other demanding underground operations, the selection of polyether-based PUR cables (VDE designation 11Y) provides optimal hydrolysis resistance and long-term reliability. Combined with LSZH formulations for enhanced fire safety, PUR-sheathed cables meet the stringent requirements of modern tunnelling projects while supporting environmental sustainability goals.<\/p>\n        \n        <p><em>\u5bf9\u4e8e\u96a7\u9053\u6398\u8fdb\u673a\u5e94\u7528\u548c\u5176\u4ed6\u9ad8\u8981\u6c42\u7684\u5730\u4e0b\u4f5c\u4e1a\uff0c\u9009\u62e9\u805a\u919a\u57faPUR\u7535\u7f06\uff08VDE\u6807\u8bc611Y\uff09\u63d0\u4f9b\u6700\u4f73\u7684\u8010\u6c34\u89e3\u6027\u548c\u957f\u671f\u53ef\u9760\u6027\u3002\u7ed3\u5408\u7528\u4e8e\u589e\u5f3a\u9632\u706b\u5b89\u5168\u7684LSZH\u914d\u65b9\uff0cPUR\u62a4\u5957\u7535\u7f06\u6ee1\u8db3\u73b0\u4ee3\u96a7\u9053\u9879\u76ee\u7684\u4e25\u683c\u8981\u6c42\uff0c\u540c\u65f6\u652f\u6301\u73af\u5883\u53ef\u6301\u7eed\u53d1\u5c55\u76ee\u6807\u3002<\/em><\/p>\n\n        <p>Anhui Feichun Special Cable Co., Ltd. provides comprehensive solutions for tunnelling, mining, and TBM cable applications, including custom cable designs manufactured according to DIN VDE 0250, IEC 60502, and other international standards.<\/p>\n        \n        <p><em>\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u4e3a\u96a7\u9053\u3001\u91c7\u77ff\u548cTBM\u7535\u7f06\u5e94\u7528\u63d0\u4f9b\u5168\u9762\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u6309\u7167DIN VDE 0250\u3001IEC 60502\u548c\u5176\u4ed6\u56fd\u9645\u6807\u51c6\u751f\u4ea7\u7684\u5b9a\u5236\u7535\u7f06\u8bbe\u8ba1\u3002<\/em><\/p>\n    <\/section>\n\n    <section id=\"contact\">\n        <h2>10. Contact Information \u8054\u7cfb\u65b9\u5f0f<\/h2>\n        \n        <p><strong>Anhui Feichun Special Cable Co., Ltd.<\/strong><br>\n        <em>\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/em><\/p>\n\n        <table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\">\n            <tbody>\n                <tr>\n                    <td><strong>Technical Inquiries<br><em>\u6280\u672f\u54a8\u8be2<\/em><\/strong><\/td>\n                    <td><a href=\"mailto:tech@feichuncables.com\">tech@feichuncables.com<\/a><\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Sales (Zihao Yang)<br><em>\u9500\u552e\uff08\u6768\u5b50\u8c6a\uff09<\/em><\/strong><\/td>\n                    <td><a href=\"mailto:zihao.yang@feichuncables.com\">zihao.yang@feichuncables.com<\/a><\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>Sales (Ziyu Huang)<br><em>\u9500\u552e\uff08\u9ec4\u5b50\u715c\uff09<\/em><\/strong><\/td>\n                    <td><a href=\"mailto:ziyu.huang@feichuncables.com\">ziyu.huang@feichuncables.com<\/a><\/td>\n                <\/tr>\n                <tr>\n                    <td><strong>WhatsApp<\/strong><\/td>\n                    <td><a href=\"https:\/\/wa.me\/8613855123218\" rel=\"nofollow noopener\" target=\"_blank\">+86 138 5512 3218<\/a><\/td>\n                <\/tr>\n            <\/tbody>\n        <\/table>\n\n        <p>We provide technical support for DIN VDE 0250 cables, mining and reeling applications, tunnel boring machine cables, and custom cable solutions for demanding industrial environments.<\/p>\n        \n        <p><em>\u6211\u4eec\u4e3aDIN VDE 0250\u7535\u7f06\u3001\u91c7\u77ff\u548c\u5377\u7b52\u5e94\u7528\u3001\u96a7\u9053\u6398\u8fdb\u673a\u7535\u7f06\u4ee5\u53ca\u9ad8\u8981\u6c42\u5de5\u4e1a\u73af\u5883\u7684\u5b9a\u5236\u7535\u7f06\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\u6280\u672f\u652f\u6301\u3002<\/em><\/p>\n    <\/section>\n\n    <footer>\n        <hr>\n        <h3>References \u53c2\u8003\u6587\u732e<\/h3>\n        <ol>\n            <li><a href=\"https:\/\/www.sab-cable.com\/cables-wires-harnessing-temperature-measurement\/technical-data\/cables-and-wires\/polyurethane-pur.html\" rel=\"nofollow noopener\" target=\"_blank\">SAB Br\u00f6ckskes &#8211; PUR Cables &amp; Wires (TPE-U) Technical Data<\/a><\/li>\n            <li><a href=\"https:\/\/www.elandcables.com\/the-cable-lab\/faqs\/faq-what-are-the-benefits-of-pur-cables\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; FAQ: The Benefits of PUR Cables<\/a><\/li>\n            <li><a href=\"https:\/\/www.helukabel.com\/media\/publication\/de\/cor_docs\/qt_23\/QT_COR-DOCS_X_014_Code-designation-explanations_for_cables_and_insulated.pdf\" rel=\"nofollow noopener\" target=\"_blank\">HELUKABEL &#8211; Code Designation Explanations for Cables<\/a><\/li>\n            <li><a href=\"https:\/\/www.bannerengineering.com\/us\/en\/company\/expert-insights\/pvc-cable-pur-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">Banner Engineering &#8211; PVC Cable or PUR Cable: How to Choose<\/a><\/li>\n            <li><a href=\"https:\/\/www.prysmian.com\/en\/markets\/specialties\/industries\/mining\" rel=\"nofollow noopener\" target=\"_blank\">Prysmian Group &#8211; Cable Solutions for Mining Industry<\/a><\/li>\n            <li><a href=\"https:\/\/tratosgroup.com\/products\/special-cables\/mining-tunneling-cables\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos Group &#8211; Mining &amp; Tunnelling Cables<\/a><\/li>\n            <li><a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/vde0250-cable\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; DIN VDE 0250 Standard Cable<\/a><\/li>\n            <li><a href=\"https:\/\/products.lappgroup.com\/online-catalogue\/characteristics-and-technologies\/chemical-characteristics\/oil-resistant.html\" rel=\"nofollow noopener\" target=\"_blank\">LAPP Group &#8211; Oil-Resistant PUR and PVC Cables<\/a><\/li>\n            <li><a href=\"https:\/\/us.misumi-ec.com\/blog\/cable-jacket-material\/\" rel=\"nofollow noopener\" target=\"_blank\">MISUMI &#8211; Cable Jacket Material Guide: PVC vs. PUR vs. TPE<\/a><\/li>\n            <li><a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-type\/lszh-cable\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables &#8211; LSZH Cable Technical Information<\/a><\/li>\n        <\/ol>\n        \n        <p><em>This technical article was prepared by Anhui Feichun Special Cable Co., Ltd. (\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8) for informational purposes. For specific cable specifications and quotations, please contact our technical team.<\/em><\/p>\n        \n        <p><em>\u672c\u6280\u672f\u6587\u7ae0\u7531\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u7f16\u5236\uff0c\u4ec5\u4f9b\u53c2\u8003\u3002\u5982\u9700\u5177\u4f53\u7535\u7f06\u89c4\u683c\u548c\u62a5\u4ef7\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u7684\u6280\u672f\u56e2\u961f\u3002<\/em><\/p>\n    <\/footer>\n\n<\/article>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"The tunnelling and underground mining industries have traditionally relied on heavy-duty rubber-sheathed cables manufactured according to DIN VDE 0250 standards. However, a significant shift is occurring as polyurethane (PUR) sheathed cables, designated with the VDE code &#8220;11Y&#8221; and &#8220;12Y&#8221; (for TPE-E variants), are increasingly specified for demanding tunnel boring machine (TBM) applications and underground operations.\n\u96a7\u9053\u548c\u5730\u4e0b\u91c7\u77ff\u884c\u4e1a\u4f20\u7edf\u4e0a\u4f9d\u8d56\u4e8e\u6309\u7167DIN VDE 0250\u6807\u51c6\u751f\u4ea7\u7684\u91cd\u578b\u6a61\u80f6\u62a4\u5957\u7535\u7f06\u3002\u7136\u800c\uff0c\u968f\u7740\u805a\u6c28\u916f\uff08PUR\uff09\u62a4\u5957\u7535\u7f06\uff08VDE\u4ee3\u7801\u4e3a&#8221;11Y&#8221;\uff0cTPE-E\u53d8\u4f53\u4e3a&#8221;12Y&#8221;\uff09\u5728\u96a7\u9053\u6398\u8fdb\u673a\uff08TBM\uff09\u548c\u5730\u4e0b\u4f5c\u4e1a\u7b49\u9ad8\u8981\u6c42\u5e94\u7528\u4e2d\u8d8a\u6765\u8d8a\u591a\u88ab\u6307\u5b9a\u4f7f\u7528\uff0c\u4e00\u4e2a\u91cd\u5927\u8f6c\u53d8\u6b63\u5728\u53d1\u751f\u3002","protected":false},"author":1,"featured_media":4931,"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":[94,165,464,56],"tags":[32869,32867,21643,32866,771,32862,6055,2538,2693,794,2788,32870,1684,765,996,1114,998,2922,32859,1079,2618,5516,820,1238,36,774,2587,32861,778,6220,830,9264,2323,32854,1846,32851,16061,9126,1713,1725,816,99,32856,828,32852,111,6993,2598,796,32849,1951,27462,32860,9118,32857,9119,32850,32855,32853,32845,17,2607,3186,32863,995,2604,1000,1908,227,6261,7682,32846,5193,32868,994,228,32858,14347,1091,32864,808,154,140,8662,1187,789,19239,22331,22788,22163,11983,22662,31719,32848,31375,11984,22666,32847,24434,22977,22785,22332,27096,22789],"class_list":["post-4929","post","type-post","status-publish","format-standard","has-post-thumbnail","category-din-vde-0250-mining-cable","category-drag-chain-cable","category-flexible-cables-with-high-bending-life-and-fatigue-resistance","category-reeling-cable","tag-n12y-cable","tag-nshtou-cable-3","tag-ntscgewou-cable-2","tag-11y-cable","tag-abrasion-resistant-cable","tag-abrasion-resistant-cable-for-tunnelling","tag-cable-drum-application","tag-cable-reel-system","tag-chain-cable","tag-chemical-resistant-cable","tag-class-5-conductor-cable","tag-class-6-conductor-flexible-cable","tag-coal-cutter-cable","tag-cold-resistant-cable","tag-container-crane-cable","tag-continuous-miner-cable","tag-crane-cable","tag-din-vde-0250-cable","tag-din-vde-0250-reeling-cable-manufacturer","tag-dragline-cable","tag-drum-reeling-cable","tag-en-50525-2-21-cable","tag-epr-insulated-cable","tag-excavator-cable","tag-festoon-cable","tag-flame-retardant-cable","tag-flexible-cable","tag-flexible-cable-for-continuous-bending","tag-flexible-mining-cable","tag-german-standard-cable","tag-halogen-free-cable","tag-harbour-crane-cable","tag-harsh-environment-cable","tag-heavy-duty-flexible-mining-cable","tag-heavy-duty-industrial-cable","tag-high-flex-cable-for-cable-chain","tag-high-tensile-cable","tag-hydrolysis-resistant-cable","tag-iec-60228-cable","tag-iec-60502-cable","tag-low-smoke-zero-halogen-cable","tag-lszh-cable","tag-lszh-cable-for-underground-applications","tag-medium-voltage-mining-cable","tag-medium-voltage-tunnelling-cable-china","tag-mining-cable","tag-notch-resistant-cable","tag-nsshou-cable","tag-oil-resistant-cable","tag-oil-resistant-reeling-cable-supplier","tag-open-pit-mining-cable-2","tag-outdoor-flexible-cable","tag-polyether-based-polyurethane-cable","tag-polyurethane-cable","tag-polyurethane-cable-for-tbm","tag-pur-cable","tag-pur-cable-manufacturer-china","tag-pur-sheathed-cable-for-underground-mining","tag-pur-vs-rubber-cable-comparison","tag-pur","tag-reeling-cable","tag-rtg-crane-cable","tag-rubber-sheathed-cable","tag-special-cable-for-harsh-environment","tag-stacker-reclaimer-cable","tag-sts-crane-cable","tag-submersible-cable","tag-surface-mining-cable","tag-tbm-cable","tag-tbm-power-cable","tag-tbm-reeling-cable","tag-tbm","tag-tear-resistant-cable","tag-tpe-e-cable","tag-trailing-cable","tag-tunnel-boring-machine-cable","tag-tunnel-boring-machine-power-supply-cable","tag-tunnelling-cable","tag-underground-mining-cable","tag-underground-tunnelling-cable","tag-uv-resistant-cable","tag-vde-0250-812","tag-vde-0250-813","tag-vde-0250-814","tag-vde-certified-cable","tag-water-resistant-cable","tag-19239","tag-22331","tag-22788","tag-22163","tag-11983","tag-22662","tag-31719","tag-32848","tag-31375","tag-11984","tag-22666","tag-32847","tag-24434","tag-22977","tag-22785","tag-22332","tag-27096","tag-22789","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/4929","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=4929"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/4929\/revisions"}],"predecessor-version":[{"id":4934,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/4929\/revisions\/4934"}],"wp:featuredmedia"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