Abrasion-Resistant Semi-Rigid Dual Wall Heat Shrink Tubing
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CB-DWT (2000)
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
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
| 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 |
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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