DUCHUANGCABLE SYSTEMS · SINCE 2013

DUCHUANG PRODUCT LINE

Heat Shrink Tube

Heat-activated tubing for wire identification, insulation and connection protection. Choose the expanded and recovered diameters around the actual assembly.

All product lines

10 selected product references

Find a product in this range

DHRT-2 Double-wall Heat Shrink Tubing — product illustration

DHRT-2 Double-wall Heat Shrink Tubing

Introduction, dimensional enquiry and quotation details

Polyolefin Heat Shrink Tubing — Ratio Options — product illustration

Polyolefin Heat Shrink Tubing — Ratio Options

Introduction, dimensional enquiry and quotation details

Multi-colour Heat Shrink Insulation Sleeve — product illustration

Multi-colour Heat Shrink Insulation Sleeve

Introduction, dimensional enquiry and quotation details

Heat Shrinkable Cable Sleeve — product illustration

Heat Shrinkable Cable Sleeve

Introduction, dimensional enquiry and quotation details

Colour-coded Polyolefin Heat Shrink Tubing — product illustration

Colour-coded Polyolefin Heat Shrink Tubing

Introduction, dimensional enquiry and quotation details

EVA Heat Shrinkable Electrical Sleeve — product illustration

EVA Heat Shrinkable Electrical Sleeve

Introduction, dimensional enquiry and quotation details

PE Heat Shrinkable Insulation Tubing — product illustration

PE Heat Shrinkable Insulation Tubing

Introduction, dimensional enquiry and quotation details

Polyolefin Cable Sleeve Kit — product illustration

Polyolefin Cable Sleeve Kit

Introduction, dimensional enquiry and quotation details

Electrical Cable Insulation Sleeve — product illustration

Electrical Cable Insulation Sleeve

Introduction, dimensional enquiry and quotation details

Coloured Polyolefin Cable Sleeving — product illustration

Coloured Polyolefin Cable Sleeving

Introduction, dimensional enquiry and quotation details

UNDERSTAND THE RANGE

Selecting heat shrink tubing

Heat shrink tubing reduces in diameter when heated to provide insulation, identification or protection around a joint or cable. Selection starts with expanded diameter, recovered diameter and construction.

Before recovery

The expanded bore must pass over the largest feature in the installation.

After recovery

The selected recovered diameter must suit the smallest section being covered.

Wall construction

Choose single-wall or adhesive-lined construction for the intended function.

Installation conditions

Check the specific grade's recovery procedure, longitudinal change and operating requirements.

Typical application context

Wire joints, terminal identification, harness protection and selected electrical connection assemblies.

Does a higher shrink ratio mean a better product?

It means greater dimensional recovery potential. Choose the ratio that accommodates the installation geometry and specified wall construction.

Is all heat shrink waterproof?

No. Sealing requires an appropriate adhesive-lined construction and a validated installation on suitable surfaces.

Prepare an enquiry Family dimensions & drawings

Related selection guides

2:1 vs 3:1 Heat Shrink Tubing: How to Choose the Right Size — product illustration

BUYER GUIDE

2:1 vs 3:1 Heat Shrink Tubing: How to Choose the Right Size

Choose heat shrink tubing that clears the largest installation feature and recovers below the smallest surface it must grip. A 3:1 ratio spans a larger diameter change than 2:1, but actual supplied diameter, recovered diameter, and wall thickness decide suitability.

Adhesive-Lined vs Single-Wall Heat Shrink Tubing — product illustration

BUYER GUIDE

Adhesive-Lined vs Single-Wall Heat Shrink Tubing

Use single-wall heat shrink for insulation, identification, or mechanical covering when a bonded environmental seal is unnecessary. Consider adhesive-lined tubing when moisture exclusion matters, then verify adhesive compatibility, joint geometry, installation temperature, and the evidence required for the completed assembly.