270x Marine Grade Dual-Wall Adhesive Glue Lined Heat Shrink Tubing

3:1 Waterproof Heat Shrink Tubing Kit for Wire Repair, Marine, Auto & DIY Use

Package Includes: 270PCS Heat Shrink Tubing Kit
Material: Polyolefin
Shrink Ratio: 3:1
Feature: Dual-Wall Adhesive Lined / Waterproof / Insulating

Product Description

This 270PCS marine grade heat shrink tubing kit is designed for a wide range of electrical      insulation, cable protection and wire repair jobs. Made from durable polyolefin and featuring a      dual-wall adhesive lined interior, each tube provides a tight, reliable and waterproof seal      after heating.

With a 3:1 shrink ratio, the tubing shrinks down to one-third of its supplied diameter,      making it easier to fit over connectors, solder joints and uneven surfaces. Ideal for      marine wiring, automotive work, electronics repairs, workshop jobs and home DIY projects.

Key Features

  • 270PCS Assorted Kit: Includes multiple popular sizes in one practical storage box.
  • 3:1 Shrink Ratio: Shrinks tightly for a professional finish and better coverage than standard 2:1 tubing.
  • Dual-Wall Adhesive Lined: Inner adhesive melts during heating to create a secure waterproof seal.
  • Marine Grade Protection: Helps resist water, salt, corrosion and moisture intrusion.
  • Excellent Insulation: Suitable for wire insulation, joint protection, bundling and marking.
  • Heat and Corrosion Resistant: Built for harsh environments and long-term use.
  • Safe Material: Eco-friendly polyolefin helps protect wires and components effectively.
  • Easy to Use: Simply cut to length, place over the repair area, then apply heat evenly.

Ideal Applications

Marine wiringAutomotive repairs
Electrical cable insulationSolder joint protection
DIY electronics projectsWire bundling and marking
Christmas light repairsWorkshop maintenance

Specifications

MaterialPolyolefin
Shrink Ratio3:1
ConstructionDual-Wall Adhesive Lined
Operating Temperature-55°C to +125°C
Voltage Rating600V
Manufacture SpecificationISO9001
Cutting MethodScissors or sharp knife
Storage Box SizeApprox. 19 x 13 x 3.2cm

How to Use

  1. Choose the correct tubing size for your wire or connector.
  2. Cut the tubing to the required length.
  3. Slide it over the cable, connection or solder joint.
  4. Apply heat evenly using a heat gun or suitable heat source.
  5. Allow it to shrink tightly as the inner adhesive forms a sealed bond.

Package

1 x 270PCS Heat Shrink Tubing Kit

Reliable Protection for Wires and Connections

Waterproof, adhesive lined and ideal for marine, auto and DIY electrical applications.