0.175mm polyimide film polyimide resin film is a solution of pyromellitic dianhydride with diaminodiphenyl ether in a 4.4-strong reaction solvent, and then by film-forming, high-temperature dehydration process made. the film has excellent heat resistance (200) resistant to cold (-60), radiation resistance, water resistance, acid resistance, solvent resistance and resistance to Freon. the product is class H insulation material that can be used motors, electrical insulation, is also used as a polyimide film adhesive tape.