KS C IEC 62631-3-4-2020 固体绝缘材料的介电和电阻特性第3-4部分:电阻特性的测定(直流法)高温下的体积电阻和体积电阻率
Dielectric and resistive properties of solid insulating materials —Part 3-4: Determination of resistive properties(DC methods) —Volume resistance and volume resistivity at elevated temperatures