Pressboard and presspaper for electrical purposes - Part 3: Specifications for individual materials - Sheet 1: Requirements for pressboard, types B.0.1, B.0.3, B.2.1, B.2.3, B.3.1, B.3.3, B.4.1, B.4.3, B.5.1, B.5.3 and B.6.1

The information about the standard:

Designation standards: IEC 60641-3-1-ed.2.0
Publication date standards: 21.7.2008
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: International technical standard
Category: Technical standards IEC

Annotation of standard text IEC 60641-3-1-ed.2.0 :

IEC 60641-3-1:2008 gives the requirements for pressboard for electrical purposes comprised of 100 % sulphate wood pulp or a mixture of sulphate wood pulp and cotton. The main changes with respect to the previous edition are: - Requirements for types B.0.3 and B.5.3 were added; - The precompressed type B.3.1 was divided in B.3.1A and B.3.1B (higher flexibility); - Types B.6.1 has been replaced with a new type, but the designation has been kept; - Type B.7.1 has been deleted; - The thickness relation of the properties has been simplified; and - The values were adjusted to todays needs of users. La CEI 60641-3-1:2008 donne les prescriptions relatives aux cartons comprimes a usages electriques, composes de 100 % de pate de bois au sulfate ou dun melange de pate de bois au sulfate et de coton. Les principales modifications par rapport a ledition anterieure sont: - des exigences pour types B.0.3 et B.5.3 ont ete ajoutees; - le type precomprime B.3.1 a ete divise en B.3.1A et B.3.1B (souplesse superieure); - le type B.6.1 a ete remplace par un nouveau type, mais la designation a ete conservee; - le type B.7.1 a ete supprime; - la relation des epaisseurs des proprietes a ete simplifiee; et - les valeurs ont ete ajustees selon les besoins actuels des utilisateurs.