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Solar backsheet, also known as TPT material, consists of a 3-layer structure. The outer layer is a T film, and the middle layer is a P film. The T and P are glued together. Among them, T stands for polyvinyl fluoride film (PVF), with a thickness of about 37μm. This layer is the main layer used as a solar cell encapsulation material. Its function is weather resistance, UV resistance, aging resistance, and photosensitive resistance, etc.; P stands for PET film, The thickness is generally 250μm, the main function is water vapor barrier and electrical insulation, and it has the advantages of dimensional stability, easy processing and tear resistance. It is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!