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
NORMA vydána dne 14.11.2007
Designation standards: IEC 60641-3-2-ed.2.0
Publication date standards: 14.11.2007
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: International technical standard
Kategorie: Technické normy IEC
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 todays needs of users. Cette partie de la CEI 60641 fournit les exigences relatives aux papiers comprimes a usages electriques, composes de 100 % de pate de bois sulfatee, 100 % de coton ou dun melange de pate de bois sulfatee et de coton. Les principales modifications par rapport a ledition precedente sont: le type P.6 a ete remplace par un nouveau type, mais la designation a ete conservee, le type P.7 a ete supprime, la relation des epaisseurs des proprietes a ete simplifiee et les valeurs ont ete ajustees selon les besoins actuels des utilisateurs.