Flexible Dual Wall Heat Shrink Tubing

CYG-DWT-VTA

Flexible Dual Wall Heat Shrink Tubing

Adhesive Lined Heat Shrink Tube for Automotive
  • Outer jacket: Cross-linked modified polyolefin
  • Inner wall: Modified hot-melt adhesive
  • Shrink ratio: 4:1
  • Shrink temperature: 80°C~120°C
  • Continuous operating temperature: -40°C~110°C
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Applications
  • With high shrink ratio of 4:1, our flexible dual wall heat shrink tubing is specifically designed for sealing and repairing cable without the removal of connectors.
  • The tubing offers efficient sealing, oil resistance, insulation, and mechanical properties, making it widely used for sealing and protecting various wire harness connectors.
Features
  • Shrink ratio: 4:1
  • Shrink temperature: 80°C~120°C
  • Continuous operating temperature: -40°C~110°C
  • Efficient mechanical, electronic, and solvent resistance properties
  • Superior sealing performance
  • RoHS compliant, meeting environmental requirements
Technical Data
Properties Test Method Performance
Longitudinal change ASTMD2671 -15%~0
Tensile strength ASTMD2671 ≥9Mpa
Ultimate elongation ASTMD2671 ≥250%
2% secant modulus ASTMD882 ≤125Mpa
Low temperature flexibility (-40°C/4h) ASTMD2671 No cracking
Heat shock (225°C/4h) ASTMD2671 No dripping, no cracking, no flowing (outer layer only)
Heat aging (150°C/168h) ASTMD2671 No dripping, no cracking, no flowing (outer layer only)
Dielectric strength (outer layer only) ASTMD2671 ≥12kV/mm
Volume resistivity ASTMD876 ≥1.0×1012 Ω·cm
Copper corrosion (150°C/16h) ASTMD2671 No corrosion
Flame resistance ASTMD2671/Procedure B Self-extinguishing within 60s
Water absorption (23°C/24h) ASTMD570 ≤0.5%
Solvent resistance (diesel, hydraulic oil, and lubricating oil, 23°C/24h) Tensile strength - ≥7Mpa
Ultimate elongation - ≥250%
Dimensions

Shrink Ratio: 4:1

Size As Supplied (mm) After Recovery (mm)
Minimum Inside Diameter Maximum Inside Diameter Minimum Wall Thickness
Ø4.0 4.0 1.00 1.00
Ø8.0 8.0 2.00 1.00
Ø12.0 12.0 3.00 1.40
Ø16.0 16.0 4.00 1.80
Ø24.0 24.0 6.00 2.25
Ø32.0 32.0 8.00 2.55
Ø52.0 52.0 13.00 2.55
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