DS DS/EN 60641-3-2
DS DSEN 60641-3-2 2008-JUN-23 Pressboard and presspaper for electrcal purposes - Part 3 Specfcatons for ndvdual materals - Sheet 2 Requrements for presspaper types P21 P41 P42 P43 and P61
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This International Standard 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.