IEC 60641-3-2 Ed. 2.0 en:2007

IEC 60641-3-2 Ed. 2.0 en:2007 Pressboard and presspaper for electrical purposes - Part 3: Specifications for individual materials - Sheet 2: Requirements for presspaper, types P.2.1, P.4.1, P.4.2, P.4.3 and P.6.1

standard by International Electrotechnical Commission, 11/14/2007

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This part of IEC 60641 gives the requirements for presspaper for electrical purposes comprised of 100 % sulphate wood pulp, 100 % cotton or a mixture of sulphate wood pulp and cotton. The main changes with respect to the previous edition are: type P.6 has been replaced with a new type, but the designation has been kept; type P.7 has been deleted; the thickness relation of the properties has been simplified, and the values were adjusted to today's needs of users.