HD 381 S1:1979

Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids

Publication date:   Dec 22, 2003

General information

90.93   Standard confirmed   Nov 2, 2026

CENELEC

CLC/SR 15 Solid electrical insulating materials

Harmonization Document

17.220.99   Other standards related to electricity and magnetism | 29.035.01   Insulating materials in general

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Scope

Applies to the determination of whether or not ionizable soluble organic and inorganic materials are present by measuring the increase in volume conductivity of a liquid extract.

Life cycle

NOW

PUBLISHED
HD 381 S1:1979
90.93 Standard confirmed
Nov 2, 2026

Relations

Adopted from IEC 60589:1977 IDENTICAL