One Inch Three To One Marine Grade Adhesive Lined Heat Shrink Tubing Kit With Black And Red Rolls For Boats Heavy Duty Electrical Wiring Wrap Waterproof Insulation Shrinks From One Inch To About One Third Inch Easy Seal For Marine Projects

Adhesive-Lined Heat Shrink Tubing Kit for Marine Wiring ✔️ 1in black/red marine heat shrink, 3:1, two 4ft rolls (8 ft)

This marine-grade adhesive-lined heat shrink kit seals and protects electrical connections in boats, ships, and other watercraft. It includes two rolls (one black, one red), each 4 feet long, totaling 8 feet. The tubing shrinks from 1 inch to about 1/3 inch (25 mm to 8.5 mm) with a 3:1 shrink ratio for a tight, water-tight seal. It’s UL-listed and compliant with RoHS, REACH, CE, SGS, and ISO9001 standards, making it a solid choice for marine wiring projects.

✅ Outer diameter 1" (25 mm) pre-shrink; final diameter 1/3" (8.5 mm) post-shrink
✅ 3:1 shrink ratio; shrink temperature 80-125°C
✅ Adhesive-lined for water-tight seal during heating
✅ Dual-wall design: outer abrasion resistance; inner sealing and strain relief
✅ Includes two rolls: 1" black and 1" red, 4 ft each (total 8 ft)
✅ UL-listed; RoHS, REACH, CE; ISO9001 compliant
✅ Color: Red and Black; suitable for marine wiring and DIY projects

💡 What is adhesive-lined heat shrink tubing used for in marine electrical wiring and DIY boat projects?

It’s handy for quickly sealing and protecting connections in wet, salty environments.

- seals joints and protects against water intrusion on boats - provides strain relief and abrasion resistance for wires and solder joints - helps insulate and protect cable runs in marine installations ✝️