Flexible Dual Wall Heat Shrink Tubing
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CYG-DWT-VTA
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
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
| 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% | |
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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