FILM FOR SOLAR CELL BACKSIDE PROTECTIVE FILM

摘要

A film for solar cell back sheet includes a biaxially oriented polyester film. The biaxially oriented polyester film includes a polyester composition including 100 parts by weight of a polyester and 0.1 to 10 parts by weight of a carbodiimide compound, being mixed therein. Thereby, there is provided the film for solar cell back sheet which can keep the partial discharge start voltage high over a long period, and further is excellent in hydrolysis resistance.