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Overview IEC 60641-3-2:2007 specifies the requirements for presspaper materials used for electrical insulation purposes. Part of the IEC 60641 series, this international standard is published by the…
Overview IEC 60641-3-1:2008 specifies the requirements for pressboard used in electrical applications. These materials are made from either 100% sulphate wood pulp or a combination of sulphate wood p…