The low-smoke halogen-free flame-retardant insulation and sheath materials for photovoltaics are irradiated and crosslinked using a 125 ℃ accelerator, and a stable three-dimensional network structure is formed through electron accelerator irradiation crosslinking technology. The core advantage is that the temperature resistance level can reach up to 125 ℃, the low temperature brittleness temperature can reach below -40 ℃, and it has excellent UV resistance, ozone resistance, and acid and alkali resistance, with an outdoor service life of up to 25 years. The material is low-smoke, halogen-free, flame-retardant, safe, and environmentally friendly. At the same time, it has high mechanical strength and good flexibility, which can easily cope with complex climates and harsh working conditions. It is an ideal choice to ensure the long-term safe and stable operation of photovoltaic power plants.
| MAIN PERFORMANCE | ||||||||||||
| No. | Test Item | Unit | Standard | Typical Value | ||||||||
| DS-GFJ-125 | DS-GFH-125 | DS-ENJ-125 | DS-ENH-125 | |||||||||
| 1 | Specific Gravity | g/cm³ | —— | 1.29 | 1.42 | 1.35 | 1.45 | |||||
| 2 | Tensile Strength | MPa | ≥10.0 | 13 | 12.5 | 13.5 | 12.8 | |||||
| 3 | Elongation at Break | % | ≥150 | 280 | 180 | 240 | 170 | |||||
| 4 | Tensile Strength Change Rate | % | ≥26 | 26 | 32 | 28 | 35 | |||||
| 5 | Elongation Under Load | Rate of Change in Tensile Strength | % | -30 | 158℃ | +6 | 158℃ | +10 | 158℃ | +7 | 158℃ | +12 |
| Maximum Change Rate of Elongation | % | -30 | 168h | -8 | 168h | -12 | 168h | -10 | 168h | -15 | ||
| 6 | Heat Elongation: 2000.2 MPa, 15 min | Elongation under Load | % | ≤100 | 55 | 55 | 50 | 50 | ||||
| Permanent Deformation after Cooling | % | ≤25 | 5 | 5 | 0 | 0 | ||||||
| 7 | Volume Resistivity at 20℃ | Ω·cm | 1.0*10¹3 | 4.5×10¹5 | 6.8×10¹3 | 5.0×10¹5 | 7.2×10¹3 | |||||
| 8 | Dielectric Strength | MV/m | ≥20 | 40 | 32 | 40 | 32 | |||||
| 9 | Impact Catalytic Temperature | ℃ | -40 | Pass | Pass | Pass | Pass | |||||
| 10 | PH Value | —— | ≥4.3 | 5.0 | 5.1 | 5 | 5.2 | |||||
| 11 | Conductivity | μS/mm | ≤10 | 0.5 | 0.7 | 0.5 | 0.6 | |||||
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