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Photovoltaic Panel Backsheet
EVA Encapsulant Film,Good adhesionTPT/FPF/TPE/PET solar panel backsheet,Excellent durability
1)UV resistance,Moisture barrier,solar panel backsheet2)Weatherability,Durability +25year3)Electrical insulation
4)Inertness toward a wide variety of chemicals, solvents, and staining agents
5)Excellent adhesion to EVA, Waterproof.
Technical Data
Property | Test Method | Units | Value | |
Thickness | Caliper | Micron | 300 | |
Material compos | -- | Tedlar-PET-Tedlar | 30+240+30 | |
Tensile strength | Vertical | GB/T1040 | Mpa | ≥110 |
Horizontal | ≥110 | |||
Elongation | Vertical | GB/T1040 | % | ≥80 |
Horizontal | ≥80 | |||
Peel strength (With EVA) | GB/T2790 | N/cm | ≥30 | |
Weightlessness (24h, 150°C) | DIN EN 60674 | % | ≤0.5 | |
Hydrothermal aging | IEC 61730 | -- | Non | |
UV-resistant aging | IEC 61730 | -- | Non | |
Dimensional stability | DIN EN 60674 | % | ≤1.0 | |
Permeability of water vapour | ISO 15106 | g/m².24h | ≤0.8 | |
Breakdown voltage | IEC 60243 | KV | ≥20 | |
Partial discharge test | IEC60664 | V | ≤1000 | |
Photovoltaic Panel Backsheet