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    Solar Photovoltaic backsheets

    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