Uxcell Heat Shrink Tube 2:1 Electrical Insulation Tubing Black 40Mm Dia. 3.1M Length

Specifications:Material: Polyethylene; Color: BlackShrinkage rate: 2:1 ( will maximum shrink to 1/2 of its supplied diameter )Operating Temperature: -55 to 125 Degree CelsiusBefore Shrink Dia : 40mm / 1.57"Length ( approx.): 3.1m / 10ftDescriptions:This heat shrink tube is best for code connection, solder joint protection, connectors sealing, group lines marking, resistance electric capacity insulation protection etc. Features:- Corrosion Resistance- Good Electrical Insulation- High-strength Toughness- High Temperature Resistant- Waterproof Resistant- Long Service Life How To Use:1. CHOOSE THE RIGHT SIZE TUBE. Measure the diameter of code/cable you want to wrap, make sure the diameter is equal to the size of heat shrink tube after shrink, because the tube will shrink up to 1/2 of original diameter after heating.2. WRAP THE code WITH THE TUBE. Cut out the Long you need, wrap the code with the tube, use a lighter, hair dryer or heat gun to heat the tube.3. HEAT THE TUBE UNTIL THE code IS WRAPPED TIGHTLY.