Home / Standards / GB/T 11026.7-2025 GB/T 11026.7-2025 Active Electrical insulating materials—Thermal endurance properties—Part 7: Determination of relative temperature index(RTI) of an insulating material 电气绝缘材料 耐热性 第7部分：确定绝缘材料的相对温度指数（RTI） Standard Type GBT ICS 19.020;29.020;29.035.01 CCS K15 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A