GB/T 11026.8-2025
ActiveElectrical insulating materials—Thermal endurance properties—Part 8: Determination of thermal endurance indices (TI and RTI) of an insulating material using the fixed time frame method
电气绝缘材料 耐热性 第8部分:用固定时限法确定绝缘材料的耐热指数(TI和RTI)