High Temperature Semi-Rigid Dual Wall Heat Shrink Tubing

CYG-DWT-VTS

High Temperature Semi-Rigid 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: 100°C~150°C
  • Continuous operating temperature: -40°C~125°C
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Applications
  • Our high temperature semi-rigid dual wall heat shrink tubing is specifically engineered to withstand the demanding conditions of automotive wire harness protection.
  • Our tubing offers exceptional high temperature resistance, allowing it to perform reliably in extreme heat environments.
  • The tubing also provides efficient sealing, oil resistance, and insulation performance, making it ideal for various automotive wire harness protection applications.
Features
  • Shrink ratio: 4:1
  • Shrink temperature: 100°C~150°C
  • Continuous operating temperature: -40°C~125°C
  • Semi-rigid and flame retardant
  • Efficient mechanical, electronic, and solvent resistance
  • Superior sealing performance
  • RoHS compliant, meeting environmental requirements
Technical Data
Properties Test Method Performance
Longitudinal change ASTMD2671 -10%~0
Tensile strength ASTMD2671 ≥10.4Mpa
Ultimate elongation ASTMD2671 ≥200%
2% secant modulus ASTMD882 ≥241Mpa
Low temperature flexibility (-40°C/4h) ASTMD2671 No cracking
Heat shock (250°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 ≥19.7kV/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 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
Ø3.2 3.20 1.00 1.00
Ø7.62 7.60 1.70 1.52
Ø9.02 9.00 2.30 1.52
Ø11.56 11.60 2.50 2.29
Ø17.78 17.80 4.40 2.54
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