Heat-shrinkable tube with excellent flame-retardant, flexibility and insulation properties. It is suitable for the electrical insulation and bonding of cables and connectors and for corrosion-proofing of metallic rods, tubes and aerials. Made from chemical, cross-linked (by irradiation), thermally stabilized flame retarded polyolefin. Standards: UL224 VW-1, C-UL CSA C22.2 OFTOperating Temperature: -55°C~125°C Shrinking Temperature: Start at 70°C , and shrunk totally at 115°C Shrink Ratio: 2:1