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IEC 60641-1:2007 ed2.0

Действует
Pressboard and presspaper for electrical purposes - Part 1: Definitions and general requirements — 17 стр.
This part of IEC 60641 contains definitions related to a classification of, and the general requirements to be fulfilled by, pressboard and presspaper for electrical purposes. The main changes with respect to the previous edition are: the kind of surface finish shall no longer be specified in the standard, fixed nominal thicknesses have been replaced by preferred thicknesses, types B.6 and P.6 have been replaced, but the designations have been kept and types B.7 and P.7 have been deleted.
ICS
29.035.10 Paper and board insulating materials / Бумажные и картонные изоляционные материалы