Semi-Rigid Dual Wall Heat Shrink Tubing

CYG-DWT-RO

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 semi-rigid dual wall tubing is designed to provide protection for automotive wire harnesses.
  • With ideal mechanical performance, our dual wall tubing is widely used in 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, flame retardant, and efficient sealing performance
  • Superior mechanical, electronic, and chemical resistance properties
  • RoHS compliant, meeting environmental requirements
Technical Data
Properties Test Method Performance
Longitudinal change UL224 -10%~0
Tensile strength ASTMD2671 ≥10.4MPa
Ultimate elongation ASTMD2671 ≥200%
Heat aging test (158℃/168h) - -
Tensile strength after aging ASTMD2671 ≥7.3MPa
Ultimate elongation after aging ASTMD2671 ≥100%
Cold shock (outer layer only) ASTMD2671 -40°C±2°C, no cracking
Dielectric strength ASTMD2671 ≥19.7kV/mm
Volume resistivity ASTMD876 ≥1.0×1012 Ω·cm
Flammability UL224 Self-extinguishing within 60s
Copper corrosion (158°C/168h) UL224 Pass
Dimensions

Shrink Ratio: 4:1

Size As Supplied (mm) After Recovery (mm)
Minimum Inside Diameter Maximum Inside Diameter Minimum Wall Thickness
Ø4.00 4.00 1.00 1.00
Ø5.75 5.75 1.25 1.15
Ø7.40 7.40 1.65 1.40
Ø9.02 9.02 2.30 1.52
Ø11.00 11.0 2.40 1.80
Ø14.00 14.0 3.00 2.10
Ø18.30 18.3 4.35 2.10
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