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IEC 60641-3-1:2008 ED2

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

Publication date:   Jul 21, 2008

General information

60.60   Standard published   Jul 21, 2008

IEC

TC 15

International Standard

29.035.10   Paper and board insulating materials

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Scope

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 today's needs of users.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60641-3-1:1992 ED1

NOW

PUBLISHED
IEC 60641-3-1:2008 ED2
60.60 Standard published
Jul 21, 2008

REVISED BY

IN_DEVELOPMENT
IEC 60641-3-1 ED3