Everything You Need To Protect Your Cable

Adhesive lined heat shrink tubing

4:1 Waterproof Dual Wall Heat Shrink Tubing With Glue

The E-FLEX® 4:1 Dual Wall Heat Shrink Tubing is a 4:1 high-shrink ratio, dual-wall tubing that provides superior environmental sealing and bonding for electrical components with large diameter differences.



  • Model No:

    HST-DW4-AD
  • Material:

    Polyolefin+Hot Melt Adhesive
  • Working Temperature:

    -45℃ to 125℃
  • Flammability:

    VW-1
  • Standard Color:

    Black
  • Cutting Tool:

    Scissor
  • Product Details


4:1 Waterproof Dual Wall Heat Shrink Tubing With Glue


E-FLEX® Dual Wall Heat Shrink is a dual-wall, adhesive-lined polyolefin heat shrink tubing. It features a high 4:1 shrink ratio, making it ideal for environmental sealing and protection of components with large diameter differences. The tubing consists of a polyolefin outer layer and an inner hot-melt adhesive that bonds effectively to plastics, steel, and polyethylene. It provides superior protection against water, moisture, and contaminants, with a continuous operating temperature range of -45°C to 125°C.



What's Special about Glue Lined Heat Shrink Tubing?

  • Wide Operating Range: Designed for reliable performance in extreme high and low-temperature environments.  
  • High Shrink Recovery: Requires high heat for a complete and tight seal around components.  
  • Excellent Mechanical Strength: Offers high tensile strength and superior flexibility to withstand physical stress.  
  • Reliable Insulation: Provides high-performance electrical insulation and high volume resistivity for safety.  
  • Flame Retardant: Self-extinguishing properties that meet standard safety requirements.



Physical Properties


Material Polyolefin+hot melt adhesive
Shrink Ratio 4:1
Working Temperature -45℃ ~ +125℃
Rated Voltage 600V
Shrinking Temperature ≧125℃
Flammability VW-1
Longitudinal Shrinkage ±8%
Aging Resistance After aging at 158℃ × 168h: tensile strength ≧7.3 MPa, elongation at break ≧100%.
Breakdown strength ≧15KV/mm refers to IEC 60243
Certification ROHS
Standard Color Black
Cutting Tool Scissor
Serviceable Tool Heat gun/tunnel furnace




Specification




Part No
Unshrink  Size
(mm)
After Shrunk Size(mm) Packing Length (m/pc) 
Min.(D)  Max.(d) W.T  Adhesive Thickness
HST-DW4-AD-4.0-BK ≥4.0 ≤1.0 1.05±0.30 0.50±0.30 200
HST-DW4-AD-6.0-BK ≥6.0 ≤1.5 1.15±0.30 0.50±0.30 100
HST-DW4-AD-8.0-BK ≥8.0 ≤2.0 1.55±0.30 0.60±0.30 100
HST-DW4-AD-12.0-BK ≥12.00 ≤3.0 1.75±0.30 0.60±0.30 25
HST-DW4-AD-16.0-BK ≥16.0 ≤4.0 2.00±0.30 0.70±0.30 25
HST-DW4-AD-20.0-BK ≥20.0 ≤5.0 2.30±0.40 0.70±0.30 25
HST-DW4-AD-24.0-BK ≥24.0 ≤6.0 2.60±0.40 0.75±0.30 25
HST-DW4-AD-32.0-BK ≥32.0 ≤8.0 3.00±0.50 0.90±0.30 25
HST-DW4-AD-40.0-BK ≥40.0 ≤10.0 2.80±0.50 0.90±0.30 25
HST-DW4-AD-52.0-BK ≥52.0 ≤13.0 3.35±0.50 0.95±0.30 25



Application


Double wall heat shrink is ideal for environmental sealing and protection in a wide variety of electrical applications, including:

  • Automotive and marine wire harnesses.  
  • Wire splices and breakouts.  
  • Connector-to-cable transitions.  
  • Sealing connectors with large diameter differences.



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