Abrasion-Resistant Semi-Rigid Dual Wall Heat Shrink Tubing

CB-DWT (2000)

Abrasion-Resistant Semi-Rigid Dual Wall Heat Shrink Tubing

Adhesive Lined Heat Shrink Tube for Automotive
  • Outer jacket: Semi-rigid cross-linked modified polyolefin
  • Inner wall: Modified hot-melt adhesive
  • Shrink ratio: 1.5:1
  • Minimum shrink temperature: 110°C
  • Continuous operating temperature: -35°C~125°C
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Applications
  • Our abrasion-resistant semi-rigid dual wall heat shrink tubing is meticulously designed to provide ideal protection for automotive brake and fuel oil tubes.
  • Each size of the CB-DWT (2000) tubing is designed for a specific range of metal oil tubes, ensuring superior protection against mechanical damage and moisture corrosion in demanding conditions.
Features
  • Shrink ratio: 1.5:1
  • Minimum shrink temperature: 110°C
  • Continuous operating temperature: -35°C~125°C
  • High scratch resistance
  • Good flexibility in low temperatures
  • Compliant with automotive standards
  • High oil and chemical resistance
  • Rapid shrinkage at above 115°C, allowing the tubing to conform to bent shapes after installation
  • Tested by the National Automobile Quality Supervision and Inspection Center
Technical Data
Properties Test Method Performance Baseline
Longitudinal change ASTMD2671 -10%~0 -2%
Eccentricity ASTMD2671 ≤20% 10%
Tensile strength ASTMD2671 ≥12Mpa 14Mpa
Ultimate elongation ASTMD2671 ≥300% 460%
Heat aging test - - -
Tensile strength after aging ASTMD2671 ≥12Mpa 13Mpa
Ultimate elongation after aging ASTMD2671 ≥270% 410%
Deformation resistance ASTMD746 ≥50% 82%
Impact resistance ASTMD746 -35°C, No cracking No cracking
Drop impact resistance ASTMD746 No cracking No cracking
Low temperature resistance (-35°C/1h) ASTMD746 No cracking No cracking
Environmental stress cracking resistance (50°C/24h) ASTMD1693 No cracking No cracking
Solvent resistance (sulfuric acid density 1.28, sodium hydroxide 0.1N, automotive brake fluid, and lead-free gasoline, 25°C/72h) ASTMD2671 No cracking No cracking
Dimensions

Shrink Ratio: 1.5:1

Size Standard Steel Pipe Outer Diameter (mm) Inside Diameter after Recovery (mm) Wall Thickness (mm)
CB2000-5 3.50 ≥5.0 1.0
CB2000-6 4.76 ≥6.0 1.0
CB2000-8 6.35 ≥8.0 1.0
CB2000-10 8.00 ≥10.0 1.0
CB2000-15 10.0 ≥15.0 1.0
CB2000-14 4.85 ≥14.0 1.0

Note: The standard color is black. Please refer to the steel pipe outer diameter when placing an order. Custom sizes are available.
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