3 Inch 3:1 Large Marine Grade Adhesive Lined Heat Shrink Tubing Wire Wrap 4Ft 3Inch Black,Heatshrink Tube Roll,Waterproof Dual Wall,Wire,Shrinkable,Seal Against Moisture Corrosion Air Leakage

The Round Diameter is 3" / 80mm (Before Shrinking) and 1" / 25.4 mm (After Shrinking). For packaging convenience, the tubing is compressed into a packing size of 5" / 127mm.
Package: 1 piece black 3 inch large marine grade heat shrink tubing roll, total
length: 4 feet.
3:1 Shrink Ratio: The shrink ratio of this industrial heat shrink tube is 3:1, which creates a tighter seal.
Shrinkage temperature: 80 - 125, professional connections made in seconds.
Adhesive Lined Heat Shrink Tubing: While heating, the adhesive lining melts and seals the connection, forming a watertight and durable seal. Dual Wall Tube and
Safer: Outer wall provides abrasion resistance. The inner wall creates a watertight seal and strain relief. All heat shrink tubing is UL-listed and compliant with SGS, RoHS, REACH, CE, and ISO9001 standards.
Wide Applications: This waterproof shrink tube is mainly used for industrial, ship, automotive, wire links, anti-rust and anti-corrosion protection of solder joints, wiring wrap, cable protection, and audio and electrical DIY.
More Sizes: Various colors and sizes are available (e. g., 3/32", 1.25", 1.5", 1.75", 2.5", 3", 3.5", 4", and larger diameters) in small, big, rolls, and kits, with shrink ratios of 2:1, 3:1, and 4:1. Custom sizes, special usage tubes, and high volume B2B purchasing are supported