Photovoltaic Cable Sheath Material is made of high-purity resin as the base material, mixed with halogen-free flame retardant, cross-linking agent, antioxidant, etc. and extruded and granulated. It has excellent performance such as halogen-free, heat-resistant, flame-retardant, low smoke, and weather-resistant, without precipitation pollution, meets the relevant requirements of Rohs, and is easy to extrude and process.
Photovoltaic Cable Sheath Material is made of high-purity resin as the base material, mixed with halogen-free flame retardant, cross-linking agent, antioxidant, etc. and extruded and granulated. It has excellent performance such as halogen-free, heat-resistant, flame-retardant, low smoke, and weather-resistant, without precipitation pollution, meets the relevant requirements of Rohs, and is easy to extrude and process.
Suitable for the production of solar photovoltaic cables in accordance with EN50618, 2PFG1169, IEC62930 and other standards.
| Test items | VALUE | Typical Value | Uuit | Method |
| Physical Property | ||||
| Hardness | 95±3 | 95 | Shore A | GB/T2411 |
| Density | ≤1.50 | 1.45 | g/cm3 | GB-T1033 |
| Low-Temperature Brittle Temperature | ≤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×250℃×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 Retardant and Combustion Performance | ||||
| Oxygen Index | ≥30 | 36 | % | GB/T2406 |
| Halogen Acid Gas Generation | ≤0.5 | 0.1 | mg/g | IEC60754 |
| PH | ≥4.3 | 5.5 | - | IEC60754 |
| Conductivity | ≤10 | 7 | μs/mm | IEC60754 |
1. When the storage environment is humid or the surface quality requirements are high, the pellets can be placed in a hot air hopper at 80°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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