Product Name: Purple-fox Dual-Wall Heat Shrink Tubing;
Material: polyolefin
Ratio: 3:1;
Main color:Transparent
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

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.

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.

package content:
Package Size:
58pcs 4.5cm lengths φ3/32"(2.4mm)
38pcs 4.5cm lengths φ1/8"(3.2mm)
28pcs 4.5cm lengths φ3/16"(4.8mm)
16pcs 6.5cm lengths φ1/4"(6.4mm)
12pcs 6.5cm lengths φ0.31”(7.9mm)
9pcs 6.5cm lengths φ3/8"(9.5mm)
10pcs 6.5cm lengths φ1/2” (12.7mm)
9pcs 6.5cm lengths φ5/8" (15.4mm)
9pcs 6.5cm lengths φ3/4” (19.1mm)