Gives the requirements for presspaper for electrical purposes comprised of 100 % sulphate wood pulp or 100 % cotton or a mixture of sulphate wood pulp and cotton.
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IEC 60641-3-2 Ed. 1.0 b:1992
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Specification for 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, P.6.1 and P.7.1
International Electrotechnical Commission , 05/31/1992