CYG-DWT(FR) Semi-regid Heat Shrink Dual Wall Tubing
Category: Heat Shrink Busbar Sleeving
Product manual
Material
Outer layer: irradiation crosslinking modified polyolefin
Inner layer: modified polyamide hot melt adhesive
Shrink ratio: 4:1
Characteristics
- Semi-hard, flame retarded
- Excellent mechanical, electric and chemical performance;
- Excellent sealing property;
- Continuous use temperature：-40℃~125℃;
- Shrinkage temperature ：100℃~150℃
Field of application
This product, designed according to the features of automobile wire harness, is semi-hard and transparent. It has excellent leakproofness, oil resistance and insulativity and conforms to the environmental requirements of RoHS. Meanwhile, it also has excellent mechanical property and thus has come into extensive use in the production of various automobile wire harnesses.
Specification | Dimension Before Shrinkage（mm） | After Shrinking（mm） | |
|---|---|---|---|
Minimum Inner Diameter | Maximum Inner Diameter | Total Wall Thickness | |
| 5.08 | 5.08 | 1.27 | 1.40±0.30 |
| 7.26 | 7.62 | 1.65 | 1.50±0.30 |
| 9.02 | 9.02 | 2.29 | 1.50±0.50 |
| 11.56 | 11.56 | 2.54 | 2.30±0.50 |
| 17.78 | 17.78 | 4.45 | 2.50±0.50 |
| Item | Test Method | Indicator |
| Tensile Strength | ASTM D2671 | ≥10.4MPa |
| Elongation at break | ASTM D2671 | ≥200% |
| Cold Shock | UL224 | -40℃±2℃，No breakage |
| Hot Shock | ASTM D2671 | 250℃，4h，No breakage |
| Volume Resistivity | ASTM D876 | ≥1.0*1012Ω·cm |
| Flame Retardant | UL224 | 30s Self-extinguishing |
| Copper Corrosion | UL224 | 158℃，168h，by |
