UL American standard photovoltaic cable material has excellent properties such as flame retardancy, heat resistance, and weather resistance, has no precipitation pollution, meets ROHS requirements, and is easy to extrude and process.
Product application: Suitable for the production of photovoltaic cables with UL4703 standard requirements.
| Testing items | VALUE | Typical Value | UNIT | Method |
| Physical Property | ||||
| Hardness | 95±3 | 95 | Shore A | GB/T2411 |
| Density | ≤1.50 | 1.35 | g/cm3 | GB-T1033 |
| Low-Temperature Brittle Temperature Failure Number（-40℃） | ≤15/30 | 0/30 | PCS | GB/T5470 |
| Tensile Strength Before irradiation | ≥8 | 8.8 | MPa | GB/T1040 |
| Elongation at break before irradiation | ≥180 | 200 | % | GB/T1040 |
| Tensile strength before aging | ≥10 | 12.2 | MPa | GB/T1040 |
| Elongation at break before aging | ≥150 | 165 | % | GB/T1040 |
| Thermal Elongation 0.2MPa×200℃×15min | ||||
| Elongation under load | ≤100 | 40 | % | GB/T2951 |
| Permanent deformation | ≤25 | 0 | % | GB/T2951 |
| Aging Performance 150℃×168H | ||||
| Change rate of tensile strength | ≤-30 | -18 | % | GB/T2951.12 |
| Change rate of elongation at break | ≤-30 | -20 | % | GB/T2951.12 |
| Electrical Performance | ||||
| 20℃ volume resistivity | ≥1.0×10^14 | 2.7×10^14 | Ω.cm | GB/T1410 |
| Dielectric strength | ≥20 | 22 | MV/m | DIN EN6024 |
| Flame retardancy and combustion performance | VW-1 | VW-1 | / | UL1581 |
Notes:
1. When the storage environment is humid or the surface performance requirements are high, the pellets can be placed in a hot air hopper at 90°C to dry for 1 to 2 hours.
2. The screw should be cleaned before extrusion to ensure the cleanliness of the product. It is recommended to use an 80-mesh or 100-mesh filter.
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