IEC 62631-1

Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials

Methods of test for the determination of the insulation resistance of solid insulating materials

Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths

Method of test for electrical resistance and resistivity of insulating materials at elevated temperatures

Methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Part 1: General

Methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Part 2: Resonance methods