
0.10-0.35 mm Transparent Pet/Polyester Film for PV Backsheet Base Film (CY25HT). Excellent Electrical Insulation: Provides superior electrical insulation performance for solar cell backsheets. Vapor Barrier Property: Features excellent vapor barrier properties to protect solar modules. Hydrolysis Resistance: Offers superior hydrolysis resistance with PCT test results from 48 to 72 hours. Anti-UV Performance: Delivers excellent anti-UV properties for long-term weather resistance. UL Listed Certification: Products are UL listed and passed Germany TUV tests for safety compliance. Customization Options: Supports full customization, minor customization, and flexible customization from designs. High Shading Performance: Opaque and black films provide high shading performance for solar applications. Advanced Manufacturing: Equipped with automatic online thickness controllers and defect detectors for uniform quality.