LD-4-F The special flame retardant heat shrink tube for new energy vehicles is composed of radiation cross-linked polyene by materials, excellent physical and chemical electrical properties, the main function is the protectionand insulation of new energy vehicles laminated bus, electrical insulation of connecting parts, corrosion prevention ofsolder joints, mechanical corrosion prevention, etc.
| property | index | Test method |
| Tensile strength | 10.4 MPa | ASTM D 2671 |
| Elongation at break | 200% | ASTM D 2671 |
| Tensile strength after aging | 7.3 MPa | 158℃×168h |
| Elongation at break after aging | ≥100% | 158℃×168h |
| Axial rate of change | -5%~+5% | ASTM D 2671 |
| Flame retardancy | VW-1 | ASTM D 2671 C |
| Withstand voltage (600V) | 2500 V,1min Non-Breakdown | UL224 |
| Breakdown strength (or withstand voltage) | ≥15kV/mm | ASTMD 149 |
| Volume resistivity | ≥1014Ω·cm | IEC60093 |
| Specification | Supplied inner diameter (mm) | Complete contraction (mm) | Standard packaging m/roll |
Scope of application (mm) | |
| Inner diameter | Total wall thickness | ||||
| Φ10/5.00 | 10.50±0.30 | ≤5.00 | 0.56±0.10 | 100 | 5.3~10.1 |
| Φ11/5.50 | 11.50±0.30 | ≤5.50 | 0.56±0.10 | 100 | 5.8~11.1 |
| Φ12/6.00 | 12.50±0.30 | ≤6.00 | 0.56±0.10 | 100 | 6.3~12.1 |
| Φ13/6.50 | 13.50±0.30 | ≤6.50 | 0.70±0.10 | 100 | 6.8~13.1 |
| Φ14/7.00 | 14.50±10.30 | ≤7.00 | 0.70±0.10 | 100 | 7.3~14.1 |
| Φ15/7.50 | 15.50±0.40 | ≤7.50 | 0.70±0.10 | 100 | 7.8~15.1 |
| Φ16/8.00 | 16.50±0.40 | ≤8.00 | 0.70±0.10 | 100 | 8.3~16.1 |
| Φ17/8.50 | 17.50±0.40 | ≤8.50 | 0.70±0.10 | 100 | 8.8~17.1 |
| Φ18/9.00 | 19.00±0.50 | ≤9.00 | 0.70±0.10 | 100 | 9.3~18.1 |
| Φ20/10.0 | 22.00±0.50 | ≤10.0 | 0.80±0.15 | 100 | 10.5~21.0 |
| Φ22/11.0 | 24.00±0.50 | ≤11.0 | 0.80±0.15 | 100 | 11.5~23.0 |
| Φ25/12.5 | 26.00±0.50 | ≤12.5 | 0.90±0.15 | 50 | 13.0~25.0 |
| Φ28/14.0 | 29.00±0.50 | ≤14.0 | 0.90±0.15 | 50 | 14.5~27.0 |
| Φ30/15.0 | 31.50±1.00 | ≤15.0 | 1.00±0.15 | 50 | 17.0~29.0 |
| Φ35/17.5 | 36.50±1.00 | ≤17.5 | 1.00±0.15 | 50 | 20.0~30.0 |
| Φ40/20.0 | 41.50±1.00 | ≤20.0 | 1.00±0.15 | 50 | 22.0~35.0 |
| Φ45/22.0 | 46.50±1.50 | ≤22.5 | 1.00±0.15 | 25 | 30~45 |
| Φ50/25.0 | ≥50 | ≤25.0 | 1.10±0.15 | 25 | 28~45 |
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