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    Solar Photovoltaic backsheets

    Transparent adhesive

    Physical feature

    Test items PA-3029（Adhesive） PA-900（Hardener）
    Solid content（%） 50±2 100%
    Solvent Ethyl acetate None
    Viscosity（25℃，mpa.s） 50-200 1750-3250
    Mixing ratio 100 4

     

    Features and advantages

    Suitable for dry compounding of various substrates such as polyester film, fluorine film, polyolefin film, etc.
    High initial strength after curing
    Can be used in long-term high temperature and high humidity environment
    The fastness of EVA composite adhesive layer does not decrease after thermal encapsulation
    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 80-100℃，according to drying situation

    Coating dry weight

    8-10g/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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