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EVA Film For Solar Panel
Product Features
♣Superior Durability:25+years resistance against weather,high temperature and high humidity.
♣Excellent adhesion:>40N/cm when applied to glass and TPT backsheet, Small shrinkage
♣>92% light transmission
♣Film is not adhesive at room temperature to ease manufacuring operations.
♣Cross linking and enhanced bonding are achieved when the film is heated and pressed.
Technical Data
Property | Units | BJA-EVA |
VA content | % | >30 |
Density | G/CM3 | 0.96 |
Melting Point(uncured) | °C | 62 |
Optical(Light) transmission | % | 91 |
Glass Transition Temperature | °C | -40 |
Heat Conductivity | W/mk | 0.3 |
Specific Heat | J/°C.g | 2.3 |
Ultimate tensile strength | PSI | 2900 |
Ultimate elongation | % | 560 |
Volume resistivity | ---- | 9*1014 |
Water adsorption(3 mm sheet, 22° C, 100% R.H., 24-h. exp) | Wt% | <0.1 |
Shrinkage (120°C,3 mins) | MD% | <5.0 |
TD% | <2.0 | |
Adhesion strength | N/cm (with glass) | >48 |
N/cm(with TPT) | >60 | |
UV resistance | 340 nm,1000H | >90% |
Cross linking rate | Gel% | >82 |
High Temp & High Humidity | 85°C&RH85% 1000H | >90% |
Refractive Index | -------- | >1.45 |
Yellowness Index | ASTMD1925 | <0.44 |
UV cut off Index | nm | ~345 |
Range of thickness | mm | 0.3-0.8 |
Range of width | mm | 200-2200 |
Surface finish | --------- | Fast cure Flat type |
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EVA Film For Solar Panel