GB/T 13542.6-2006 "Electrical Insulation Films, Part 6: Polyimide Films for Electrical Insulation" specifies the technical requirements of polyimide films for electrical insulation. The standard specifies product classification and specifications, and specifies key indicators such as film Appearance, Film thickness deviation, tensile strength, breakdown voltage, dielectric performance, etc. At the same time, it provides test methods, inspection rules and signs, Encasement, transportation and storage requirements, providing unified standards for the production, mass testing and application of such films to ensure their insulation performance and reliability.