500PCS Heat Shrink Wrapping Insulation Thermoresistant Tube Kit 2:1 Electrical Connector Wire Cable Heat Shrink Tube Waterproof

500PCS Heat Shrinkable Tube Set, Shrink Tubing for Wires Thermoresistant Tube Insulation Sleeving Shrink Wrap Diy Electronic Kit Material: Polyolefin Shrinkage Ratio: 2:1 (will maximum shrink to 1/2 its supplied diameter) Minimum Shrinkage Temp: ≥84°C Full Shrinkage Temp: ≥120°C Operating Temperature: -55°C to +125°C Tensile strength: 10.4 Mpa Dielectric strength: 15 KV/mm Manufacture specification: ISO9001 Flammability: Flame Retardant Approvals: UL Approved Cutting method: Scissors or sharp knife