COACE R2121 is to be designed as adhesion promoter master batch for the EVA photovoltaic encapsulant film. It contains high content of reactive silane groups could offer stable adhesion strength between the cells group and tempered glass. It could also be lower the damage of hydrolysis from EVA itself and reduce the influence from potential induced degradation (PID) to improve the performance after the PCT test (press cooker test, 120℃, 100%RH, 96 hours or 182hours).
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