Flame-Retardant Semi-Rigid Dual Wall Heat Shrink Tubing
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CYG-DWT-FR
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
Applications
- Our flame-retardant semi-rigid dual wall tubing is specifically designed to provide superior protection for automotive wire harnesses, offering efficient sealing, flame retardancy, oil resistance, and insulation properties.
- Widely used in various automotive wire harness protection applications and areas that require special protection in harsh environments.
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
| Properties | Test Method | Performance |
| Tensile strength | ASTMD2671 | ≥10.4MPa |
| Ultimate elongation | ASTMD2671 | ≥200% |
| Cold shock | ASTMD2671 | (-40±2) ℃, no cracking |
| Heat shock (outer layer only) | UL224 | 250℃, 4h, no cracking |
| Volume resistivity | ASTMD876 | ≥1.0×1012 Ω·cm |
| Flammability | UL224 | Self-extinguishing within 60s |
| Copper corrosion (158℃/168h) | UL224 | Pass |
Shrink Ratio: 4:1
| Size | As Supplied (mm) | After Recovery (mm) | |
| Minimum Inside Diameter | Maximum Inside Diameter | Minimum Wall Thickness | |
| Ø5.08 | 5.08 | 1.27 | 1.40 |
| Ø7.62 | 7.62 | 1.65 | 1.52 |
| Ø9.02 | 9.02 | 2.29 | 1.52 |
| Ø11.56 | 11.56 | 2.54 | 2.29 |
| Ø17.78 | 17.78 | 4.45 | 2.54 |
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