MECCANIXITY Heat Shrink Tubing, 3:1 Ratio 3/16 Inch Diameter 50ft Adhesive Lined Dual Wall Heat Shrink Tube Waterproof Sealed Black

What is this?The dual wall heat shrink tube has great electrical insulation and excellent sealing, suitable for wire connection, protection and insulation of cable end, wiring harness and electronic components, and electrical DIY.What will I get?The heat shrink tube, we provide here, is in the size of:Length: 9.2 Meters/30ftDiameter Before Shrink: 40mm/1 1/2 InchRatio: 3:1In the package of: 1 x heat shrink tubeAre there any advantages of the product?The heat shrink tube is a 3:1 heat shrink ratio and will shrink to the original 1/3. When the adhesive-lined tube is heated, the adhesive in the inner layer shrinks will melt at the same time as the tube shrinks, the adhesive flows to stuff the small space between the heat shrink and the object after the tubing and adhesive has cooled down, becoming an IP68 waterproof seal. (Temperature of the heat gun is up to 125ºC, then glue inside will soften and seal the connection.)How to use it?Steps of installation:1.Prepare heat shrink tube and cut it to the length you want; 2. Put the wire in the heat shrink tube ; 3. Shrink with a heat gun.What should I notice?When using the heat gun to heat, pay attention to moving back and forth to make the heat shrink tube heated evenly. All size above is measured manually, please allow a +/-1/2 inch error.