4:1 Flame Retardant Semi-Rigid Heat Shrink Tubing
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Model: CYG-DWT(FR)
Material
Exterior layer: cross-linked modified polyolefin resin
Inner layer: flame retardant hot-melt adhesive
Shrink ratio: 4:1
Applications
The flame retardant semi-rigid heat shrink tubing is a dual wall heat shrink tubing with an excellent flexibility, sealing, flame retardant, diesel resistant and insulating performance. It is used to protect a variety of automotive wire harnesses.
| Size | As supplied | After full recovery | ||
| ID (mm) | ID (mm) | Total wall | Adhesive wall | |
| 7.6 | ≥ 7.6 | ≤1.65 | 1.5±0.3 | 0.70 |
| 9.0 | ≥ 9.0 | ≤2.30 | 1.5±0.4 | 0.70 |
| 11.6 | ≥ 11.6 | ≤2.54 | 2.3±0.4 | 1.20 |
| 11.6 | ≥ 17.8 | ≤4.45 | 2.5±0.4 | 1.20 |
| Item | Specifications | |
| Shrink temperature(℃) | ASTM D 2671 | 100--150 |
| Operating temperature (℃) | Company standard | -40-125 for jacket |
| Tensile strength (MPa) | ASTM D 2671 | ≥10.4 |
| Elongation at break (%) | ASTM D 2671 | ≥200 |
| Longitudinal shrinkage (%) | ASTM D 2671 | ≤10 |
| Aging in circulating-air oven | ASTM D 2671 | 158.0±1.0℃, 168hrs |
| Dielectric strength at 1min, AC2500V | ASTM D 2671 | No breakdown |
| Volume resistance (Ω cm) | ASTM D876 | ≥1013 |
| Flammability | UL224 | ≤60s |
| Water absorption (%) | ASTM D570 | ≤ 0.4% |
| Fluid resistance | UL224 | Excellent |
| Copper corrosion | UL224 | (No Corrosion) |
| Softening point of melt liner(℃) | Company standard | 110±5 |
| Peel Strength of melt liner(N/25mm) | ASTM D 2671 | >80 |
- The operating temperature of this flame retardant semi-rigid heat shrink tubing is -40℃ to 135℃.
- The shrinkage temperature of this dual wall tubing is 100℃～150℃.
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