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IEC 60667-1
Edition 2.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Vulcanized fibre for electrical purposes –
Part 1: Definitions and general requirements
Fibres vulcanisées à usages électriques –
Partie 1: Définitions et exigences générales
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IEC 60667-1
Edition 2.0 2020-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Vulcanized fibre for electrical purposes –
Part 1: Definitions and general requirements
Fibres vulcanisées à usages électriques –
Partie 1: Définitions et exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.035.10 ISBN 978-2-8322-8078-2
– 2 – IEC 60667-1:2020 © IEC 2020
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Classification . 6
4.1 General type . 6
4.2 Fishpaper type . 7
5 Forms and colours . 7
6 General requirements . 7
6.1 Quality . 7
6.2 Finish . 7
7 Thickness . 8
7.1 General type . 8
7.2 Fishpaper type . 8
8 Conditions of supply . 8
Bibliography . 9
Table 1 – Classification and symbol . 7
Table 2 – Colours and symbol . 7
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
VULCANIZED FIBRE FOR ELECTRICAL PURPOSES –
Part 1: Definitions and general requirements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60667-1 has been prepared by IEC Technical Committee 15: Solid
electrical Insulating materials.
This second edition cancels and replaces the first edition published in 1980. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) deletion of "corrugated, round rods, and round tubes" from the Scope;
b) types A, B and C replaced by general and fishpaper types and addition of a symbol for each
type in the classification;
c) addition of white, blue, brown, and addition of a symbol for each colour;
d) deletion of the thickness of 15,0 mm, the length, the mass and the dimension of rolls from
the general requirements;
e) addition of the manufacturer's name, trademark (if any), nominal thickness, manufacture
date, and lot number in the conditions of supply.
– 4 – IEC 60667-1:2020 © IEC 2020
The text of this International Standard is based on the following documents:
CDV Report on voting
15/878/CDV 15/893/RVC
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 60667 series, published under the general title Vulcanized fibre for
electrical purposes, can be found on the IEC website.
Future standards in this series will carry the new general title as cited above. Titles of existing
standards in this series will be updated at the time of the next edition.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
INTRODUCTION
This International Standard is one of a series which deals with vulcanized fibre sheets for
electrical purposes.
The series consists of three parts:
Part 1: Definitions and general requirements (IEC 60667-1)
Part 2: Methods of test (IEC 60667-2)
Part 3: Specifications for individual materials (IEC 60667-3)
– 6 – IEC 60667-1:2020 © IEC 2020
VULCANIZED FIBRE FOR ELECTRICAL PURPOSES –
Part 1: Definitions and general requirements
1 Scope
This part of IEC 60667 gives the definitions and general requirements for vulcanized fibre
sheets for electrical purposes. Materials made by combining with an adhesive several
thicknesses of vulcanized fibre are not covered by this
...