Solar Photovoltaic backsheets

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Transparent coating

Physical feature

Test items PF850（Adhesive） PA-9001（hardener）
solid content（%） 50±2 100%
Viscosity（25℃, mpa.s） 50-500 1750-3250
Mixing ratio 100 4

Features and advantages

Excellent resistance to humidity and heat aging
Good adhesion with PET
Easy to peel off after laminated
Excellent resistance to UV yellowing

Application process

Coating method

Suitable for mainstream coating methods such as mesh rolls, blades, extrusion, etc.

Drying temperature

Suggested temperature 150℃，according to drying situation

Coating dry weight

4-8 g/m2 is suggested.

Maturation conditions

For 50-60℃ suggested mature time is 2-3 days，Can be adjusted and customized according to customer process

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