GB/T 20831-2007
AbolishedMethods of assessment of temperature capability of interlaminar insulation coatings of electrical sheet and strip
电工钢片（带）层间绝缘涂层温度特性测试方法
Application Summary AI generated
This standard specifies test methods for evaluating the thermal endurance and temperature capability of interlaminar insulation coatings on electrical steel sheet and strip. It is applied in the metallurgy and electrical manufacturing industries to assess coating performance under thermal stress, ensuring reliability in transformers, motors, and generators where laminated cores operate at elevated temperatures. The testing context involves measuring insulation resistance and coating degradation after exposure to defined temperature conditions.
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