YC/YZW Heavy Duty Rubber Flexible Cable, 1.5mm² - 400mm² All Specifications Available. 100% pure copper conductor, high-elastic natural rubber insulation + neoprene rubber sheath. Excellent performance in oil resistance, UV resistance, tear resistance, and cold resistance down to -40°C. Widely used in cranes, port machinery, mining equipment, welding machines, outdoor mobile power supply, etc. 450/750V, CCC & MA certified, 10+ years service life. OEM/ODM supported, ready stock, fast delivery!