Waterproof Seal Flexible Dual Wall Heat Shrink Tubing
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CYG-DWT-VTH
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: -55°C~125°C
Applications
- The waterproof seal flexible dual wall heat shrink tubing is designed to meet the waterproof sealing requirements of wire harnesses and connectors.
- Our tubing provides superior flame retardancy, sealing, oil resistance, and insulation properties. With good mechanical performance, this tubing is widely used for protection in various components.
Features
- Shrink ratio: 4:1
- Shrink temperature: 80°C~120°C
- Continuous operating temperature: -55°C~125°C
- Semi-flexible, flame retardant
- Good mechanical, electronic, and solvent resistance properties
- Superior sealing performance
- Compliant with RoHS environmental requirements
| Properties | Test Method | Performance | |
| Longitudinal change | ASTMD2671 | -20%~0 | |
| Tensile strength | ASTMD2671 | ≥9Mpa | |
| Ultimate elongation | ASTMD2671 | ≥250% | |
| 2% secant modulus | ASTMD882 | ≤125Mpa | |
| Low temperature flexibility | ASTMD2671 | No cracking | |
| Heat shock | ASTMD2671 | No dropping, cracking, or flowing | |
| Heat aging | ASTMD2671 | No dropping, cracking, or flowing | |
| Dielectric strength (outer layer only) | ASTMD2671 | ≥12kV/mm | |
| Volume resistivity | ASTMD876 | ≥1.0×1012 Ω·cm | |
| Copper corrosion | ASTMD2671 | No corrosion | |
| Flammability | ASTMD2671/Procedure B | Self-extinguishing within 60 seconds | |
| Water absorption | ASTMD570 | ≤0.5% | |
| Solvent Resistance (diesel, hydraulic oil, lubricating oil, and 5% NaCl solution at 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 | 4.00 | 1.00 | 1.00 |
| Ø8.0 | 8.00 | 2.00 | 1..00 |
| Ø12.0 | 12.00 | 3.00 | 1.40 |
| Ø16.0 | 16.00 | 4.00 | 1.75 |
| Ø24.0 | 24.00 | 6.00 | 2.25 |
| Ø32.0 | 32.00 | 8.00 | 2.50 |
| Ø48.0 | 48.00 | 13.00 | 2.55 |
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