Main Technical Indicators:
Hydroxyl value =4-8KOH/g
Non-volatile content =58-62%
Adhesion to PET= Classification 0
Adhesion to PET after PCT48H= Classification 0
Adhesion to PET after DH1000= Classification 0
Adhesion to PET after UV250kWh= Classification 0
Fluorine content (dry film)>22%

Functions and Product Features:
The inner layer of KPC and TPC backsheet, and the outer and inner layers of CPC backsheet, protect the PET substrate from UV damage. High UV blocking, no yellowing after UV and damp heat aging, and high adhesion to EVA.

Application Areas and Section:
Applied to produce coating type backsheet for photovoltaic modules with service life of 20 years. These Backsheets are made by coating by dry lamination equipment and curing by externally heating.

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