Historical
IEC 60641-3-2 Ed. 1.0 b:1992
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
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.
International Electrotechnical Commission [iec]
