GB/T 1981.4-2009
ActiveVarnishes used for electrical insulation - Part 4: Polyester-imide varnishes
电气绝缘用漆 第4部分：聚酯亚胺浸渍漆
Application Summary AI generated
This standard specifies the requirements, test methods, and quality control criteria for polyester-imide varnishes used as electrical insulation. It is applied in the manufacturing and testing of impregnating varnishes for electric motors, transformers, and other electrical equipment where high thermal resistance and mechanical strength are required. The standard ensures consistent performance in coating and protecting windings and coils under high-temperature operating conditions.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.