IEC 60641的这一部分给出了由100%硫酸盐木浆、100%棉或硫酸盐木浆和棉的混合物组成的电气用印刷纸的要求。与前一版本相比，主要的变化是:P.6型已被替换为新的类型，但名称已被保留，P.7型已被删除，属性的厚度关系已被简化，数值已根据今天用户的需求进行调整。

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.