Photovoltaic cable insulation material is made of high-purity resin as the base material, with halogen-free flame retardant, cross-linking agent, antioxidant, etc. mixed and extruded into granules. It has excellent performance such as halogen-free, heat-resistant, weather-resistant, etc., no precipitation pollution, meets the relevant requirements of Rohs, etc., and is easy to extrude and process.
Suitable for the production of solar photovoltaic cables with EN50618, 2PFG1169, IEC62930 and other standards.
| Project | Standard Value | Typical Value | Unit | Method |
| Physical Property | ||||
| Hardness | 95±3 | 95 | Shore A | GB/T2411 |
| Density | ≤1.2 | 1.1 | g/cm3 | GB-T1033 |
| Low-Temperature Brittle Temperature | ≤15/30 | 0/30 | PCS | GB/T5470 |
| Tensile Strength Before Irradiation | ≥8 | 12 | MPa | GB/T1040 |
| Elongation at Break Before Irradiation | ≥180 | 220 | % | GB/T1040 |
| Tensile Strength Before Aging | ≥10 | 14.8 | MPa | GB/T1040 |
| Elongation at Break Before Aging | ≥150 | 180 | % | GB/T1040 |
| Thermal Elongation(0.2MPa×250℃×15min) | ||||
| Elongation Under load | ≤100 | 30 | GB/T2951 | |
| Permanent Deformation | ≤25 | 0 | GB/T2951 | |
| Aging Performance(150℃×168H) | ||||
| Change Rate of Tensile Strength | ≤-30 | -20 | % | GB/T2951.12 |
| Change Rate of Elongation At Break | ≤-30 | -24 | % | GB/T2951.12 |
| Electrical Performance | ||||
| 20℃ Volume Resistivity | ≥1.0×10^15 | 2.8×10^15 | Ω.cm | GB/T 1410 |
| Dielectric Strength | ≥20 | 30 | MV/m | DIN EN 6024 |
| ≥13 Cycles Insulation Resistance(Water) | Pass | Pass | - | UL4703 |
| ≥13 Cycles Insulation Resistance (Air) | 98℃ Pass | 98℃ Pass | - | UL4703 |
| (90℃)Immersion Capacitance Appreciation | ||||
| 1-Day Dielectric Constant | ≤3.8 | 2.9 | - | UL4703 |
| 1-to 14-Day Capacitance Change Rate | ≤4.9 | 3.8 | - | UL4703 |
| 7-to 14-Day Capacitance Change Rate | ≤1.6 | 1.2 | - | UL4703 |
| Flame Retardant And Combustion Performance | ||||
| Halogen Acid Gas Generation | ≤0.5 | 0.1 | mg/g | IEC60754 |
| PH | ≥4.3 | 5.5 | - | IEC60754 |
| Conductivity | ≤10 | 6 | 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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