5 Sizes 90mm/3.54inch Heat Shrink Tubing Kit 75 Pcs 4:1 Ratio Adhesive Lined Dual Wall Tube Marine Grade Heatshrink Wrap Tubes

Description

4:1 Waterproof Heat Shrink Tubing

* Widely Use

Our heat shrink tubing are widely used in wire connection, rust prevention and corrosion protection of solder joints, protection and insulation processing of wire end, wiring harness and electronic components, and audio and electrical DIY. Fitness equipment parts and steel structure surface protection and so on.

* Features:

– Shrink Ratio: 4:1

– Color: Black

– Material: Polyolefin

– Temperature Range:-131℉ to + 257℉（-90℃ to +125℃）

– Full Shrinkage Temp: 230℉ （110℃）maximum

– Flammability: Flame Retardant

* How to use it?

– 1. Wrap the cable wire with the tube, then use a heat gun heating it evenly until the wire was wrapped tightly.

– 2. Don't touch the tube until it becomes cool.

– Kindly Note:Make sure temperature of your heat gun is up to 212℉(100℃), then glue inside will soften and seal the connection.