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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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