Olex Versolex vs. Envirolex: Understanding the Shift from PVC to LSZH in Australian Tunnels
ustralia’s expanding infrastructure pipeline — including the Sydney Metro, Melbourne Metro Tunnel, WestConnex, and Cross River Rail — has placed fire safety at the centre of cable specification decisions. In enclosed environments such as tunnels, the combustion of conventional PVC-insulated cables releases dense smoke and toxic hydrogen chloride (HCl) gas, severely impeding evacuation and corroding surrounding equipment
