Heat Shrink Tubes, Clear Dual Wall Heat Shrink Tubing 3:1 Ratio Heat Activated Adhesive Glue Lined Marine Shrink Tube Cable Sleeving Wrap Protector Transparent 4Ft (1” (25.4mm))

Product Name: Purple-fox Dual-Wall Heat Shrink Tubing;
Material: polyolefin
Ratio: 3:1;
Main color: Clear
Round diameter: 1" (25.4mm)
Each Length: 1.22M/ 4Ft;
Shrink temperature: 80C;
Fit for: appliance/Auto wire harness
temperature range: -55C to +125C
Rated voltage:600V
Beginning shrinking temperature:80C,
Completely shrinking temperature: 120C
package content: 1 x heat shrink tubing(1.22m Length/4Ft )

Advantage:
Tough flame-retardant polyolefin tubing lined withal flame-retardant adhesive provides the optimum solution for applications where full flame retardant is preferred.
Dual wall heat shrink tubing is suitable for shrinking and sealing connectors, wires, and cords etc., which will be exposed to harsh environments.
Our heat shrink tubing are widely used in Water resistant wire connector in electronic equipment ,prevent leakage and more strands of wire seal Water resistant, components of the sealed moisture-proof, Water resistant, corrosion protection and insulation protection, the seal Water resistant, wire and cable branch metal pipeline corrosion protection, repair of wire and cable, submersible pumps and the wiring Water resistant, etc. e.g. protect car engine battery cable, make soft tool grip, repair eyeglasses frame, reinforce headphone/charging cable, etc.

How to use it?
1. First choose the right size tubes, as it is 3:1 heat shrink ratio, it will shrink up to 1/3 of original diameter.
2. Insert the wires to the heat shrink tubing, then use a lighter heating if the tube is small or hair dryer, heat guns heating for large one until the wire was wrapped tightly.
3. Don't touch the tube until it cool completely.

Note: Keep about 1/2 inch distance when using the lighter to shrink the tube, or it may leave a black mark on the tube.