Methods of test for insulating materials for electrical purposes; insulation resistance of solid materials (IEC 60167:1964); German version HD 568 S1:1990
Electric and optical fibre cables - Test methods for non-metallic materials - Part 411: Miscellaneous tests - Low-temperature brittleness of filling compounds (IEC 60811-411:2012); German version EN 60811-411:2012
Electric and optical fibre cables - Test methods for non-metallic materials - Part 501: Mechanical tests - Tests for determining the mechanical properties of insulating and sheathing compounds (IEC 60811-501:2012 + A1:2018); German version EN 60811-501:2012 + A1:2018
Dielectric and resistive properties of solid insulating materials - Part 3-2: Determination of resistive properties (DC methods) - Surface resistance and surface resistivity (IEC 62631-3-2:2023); German version EN IEC 62631-3-2:2023