Home / Standards / GB/T 31838.4-2019 GB/T 31838.4-2019 Active Solid insulating materials—Dielectric and resistive properties—Part 4: Resistive properties (DC methods)—Insulation resistance 固体绝缘材料 介电和电阻特性 第4部分：电阻特性(DC方法) 绝缘电阻 Standard Type GBT ICS 29.035.01 CCS K15 Status 现行 Issue Date 2019-06-04 Implementation 2020-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A