Specifications: Material: Polyethylene Shrinkage rate: 2:1 ( will maximum shrink to 1/2 of its supplied diameter ) Minimum Shrinkage Temp: +70 Degree Celsius Full Shrinkage Temp: +125 Degree Celsius maximum Operating Temperature:-55 to 125 Degree Celsius Rated voltage: 1000V Dielectric strength: 1 KV Item Shape: Round/Flat Heat Shrink Sleeving Uxcell Battery Pack Heat Shrink Wrap, 2m Length 70mm Flat Width PVC Heat Shrink Tubing For 18650 Heat Pack Heat Shrink Uxcell Tubing 11mm Dia 17mm Flat Width 10m Length 2 Cable Sleeve Widely Applications: Electrical Insulation, Wire Protection, Cable Bonding, Data... Minimum Shrinkage Temp: +70 Degree Celsius; Full Shrinkage Temp: +125 Degree Celsius maximum. Cut out the length you need, wrap the wire with the tube, use a lighter, hair dryer or heat gun to heat the tube., 3., HEAT THE TUBE UNTIL THE WIRE IS WRAPPED TIGHTLY. Heat shrink tubing is good useful, of the specification of good electrical insulation, corrosion resistance and high temperature resistance. Widely Applications... Heat shrink tubing is good useful, of the specification of good electrical insulation, corrosion resistance and high temperature resistance. 2:1 Shrink Ratio Tubing Clear Heat Shrink Tubing 1ft - Choose Version Wire Insulation Tubing Widely Applications: Electrical Insulation, Wire Protection, Cable Bonding, Data Cable Decoration, Color-Coding, Wire Marking, Wire Bundling & more.