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IEC 60371-3-5:2005

Current
Current

The latest, up-to-date edition.

Insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 5: Glass-backed mica paper with an epoxy resin binder for post-impregnation (VPI)
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, English - French

Published date

11-21-2005

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Designation
4 Requirements: raw materials
  4.1 Mica paper
  4.2 Glass fabric
  4.3 Epoxy resin
5 Requirements: composition and tolerances
6 Requirements for material (as received)
  6.1 General
  6.2 Width
  6.3 Thickness
  6.4 Length
  6.5 Cores
  6.6 Joins
  6.7 Tensile strength in the warp direction
  6.8 Stiffness
  6.9 Air permeance
7 Packing

IEC 60371-3-5:2005 gives requirements for electrical insulating materials made by combining mica paper with glass fabric and bonding them together with a small amount of epoxy resin. The material is supplied in a flexible state and is designed for use in conjunction with vacuum pressure impregnation (VPI) with compatible impregnates. The final cured properties will be primarily dependent on the VPI resin used. Two bond contents are specified:
- low bond with a resin content of (8 ± 3) %;
- medium bond with a resin content of (16 ± 3) %. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. This second edition cancels and replaces the first edition, published in 1992, and constitutes a technical revision. The main changes with regard to the previous edition include adjustments needed to align this standard with changes included in the latest edition of IEC 60371-2. Keywords: electrical insulating materials, mica paper, glass fabric, vacuum pressure impregnation (VPI)

Committee
TC 15
DevelopmentNote
A Bilingual edition has been published in 21/05/2014. (05/2014) Stability Date: 2020. (09/2017)
DocumentType
Standard
Pages
11
PublisherName
International Electrotechnical Committee
Status
Current
Supersedes

00/246816 DC : DRAFT NOV 2000 IEC 60317-2 ED.3 - INSULATING MATERIALS BASED ON MICA - PART 2: METHODS OF TEST

IEC 60371-2:2004 Specification for insulating materials based on mica - Part 2: Methods of test
ISO 5636-5:2013 Paper and board — Determination of air permeance (medium range) — Part 5: Gurley method
IEC 60371-3-2:2005 Insulating materials based on mica - Part 3: Specifications for individual materials - Sheet 2: Mica paper

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Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
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