IEC 60626-1:2009
(Main)Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements
Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements
IEC 60626-1:2009 contains the definitions related to and the general requirements to be fulfilled by combined flexible materials for electrical insulation. This standard does not include mica paper, as primary component, covered by IEC 60371, but mica paper may be used as complementary material. The main changes from the previous edition are that the Scope was revised specifying treatment of mica paper, and Table 1 was revised cancelling materials no longer in use and introducing newer materials.
Matériaux combinés souples destinés à l'isolement électrique - Partie 1: Définitions et exigences générales
La CEI 60626-1:2009 contient les définitions et les exigences générales applicables aux matériaux isolants souples combinés destinés à l'isolement électrique. La présente norme ne concerne pasle papier de mica en tant que composante primaire, couvert par la CEI 60371, mais le papier de mica peut être utilisé comme matériau complémentaire. Les changements principaux par rapport à l'édition précédente sont le domaine d'application a été révisé pour spécifier le traitement de papier MICA, et Tableau 1 a été révisé annulant les matériaux qui ne sont plus utilisés et présentant des matériaux plus récents.
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IEC 60626-1 ®
Edition 3.0 2009-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Combined flexible materials for electrical insulation –
Part 1: Definitions and general requirements
Matériaux combinés souples destinés à l'isolement électrique –
Partie 1: Définitions et exigences générales
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IEC 60626-1 ®
Edition 3.0 2009-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Combined flexible materials for electrical insulation –
Part 1: Definitions and general requirements
Matériaux combinés souples destinés à l'isolement électrique –
Partie 1: Définitions et exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
H
CODE PRIX
ICS 29.035.01 ISBN 978-2-88910-236-5
– 2 – 60626-1 © IEC:2009
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
COMBINED FLEXIBLE MATERIALS
FOR ELECTRICAL INSULATION –
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,
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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
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60626-1 has been prepared by IEC technical committee 15: Solid
electrical insulating materials.
This third edition cancels and replaces the second edition published in 1995 and its
amendment 1 (1996), of which it constitutes a technical revision. The main changes from the
previous edition are as follows:
The Scope was revised specifying treatment of mica paper, and Table 1 was revised
cancelling materials no longer in use and introducing newer materials.
60626-1 © IEC:2009 – 3 –
The text of this standard is based on the following documents:
CDV Report on voting
15/469/CDV 15/511/RVC
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all the parts in the IEC 60626 series, under the general title Combined flexible
materials for electrical insulation, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
– 4 – 60626-1 © IEC:2009
INTRODUCTION
This International standard is one of a series which deals with combined flexible materials
consisting of two or more different insulating materials laminated together. The components of
the combined materials are plastic films and/or fibrous materials such as papers, woven or
non-woven fabrics, impregnated or not impregnated.
This series consist of three parts describing:
Part 1: Definitions and general requirements (IEC 60626-1)
Part 2: Methods of test (IEC 60626-2)
Part 3: Specifications for individual materials (IEC 60626-3)
60626-1 © IEC:2009 – 5 –
COMBINED FLEXIBLE MATERIALS
FOR ELECTRICAL INSULATION –
Part 1: Definitions and general requirements
1 Scope
This part of IEC 60626 contains the definitions related to and the general requirements to be
fulfilled by combined flexible materials for electrical insulation. This standard does not include
mica paper, as primary component, covered by IEC 60371, but mica paper may be used as
complementary material.
Materials which conform to this specification meet established levels of performance.
However, the selection of 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.
SAFETY WARNING
It is the responsibility of the user of the methods contained or referred to in this document to
ensure that they are used in a safe manner.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
NOTE The list of normative references is extensive because, in order to obtain a combination of two or more
materials for electrical insulation, it is necessary that those base materials (paper, film, etc) shall conform to the
requirements set forth, in the appropriate specification of the base material alone, for that purpose. This rule shall
be applied also in the development of new possible combinations; to this end, specifications of materials not
actually used, but referenced, may be eligible for future developments.
IEC 60554-3-1:1979, Specification for cellulosic papers for electrical purposes – Part 3:
Specifications for individual materials – Sheet 1: General purpose electrical paper
IEC 60626-3:2008, Combined flexible materials for electrical insulation – Part 3:
Specifications for individual materials
IEC 60641-3-2:2007, 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
IEC 60674-3-2:1992, Specification for plastic films for electrical purposes – Part 3:
Specifications for individual materials – Sheet 2: Requirements for balanced biaxially oriented
polyethylene terephthalate (PET) films used for electrical insulation
IEC 60674-3-4:1993, Specification for plastic films for electrical purposes – Part 3:
Specifications for individual materials – Sheet 4: Requirements for polyimide (PI) films used
for electrical insulation
– 6 – 60626-1 © IEC:2009
IEC 60674-3-8:—, Specification for plastic films for electrical purposes – Part 3: Specifications
for individual materials – Sheet 8: Requirements for balanced biaxially oriented polyethylene
naphthalate (PEN) films used for electrical insulation
IEC 60819-3-1:2001, Non-cellulosic papers for electrical purposes – Part 3: Specifications for
individual materials – Sheet 1: Filled glass paper
IEC 60819-3-2:2001, Non-cellulosic papers for electrical purposes – Part 3: Specifications for
individual materials – Sheet 2: Hybrid inorganic-organic paper
IEC 60819-3-3:2008, Non-cellulosic papers for electrical purposes – Part 3: Specifications for
individual materials – Sheet 3: Unfilled aramid (aromatic polyamide) papers
IEC 60819-3-4: 2001, Non-cellulosic papers for electrical purposes – Part 3: Specifications for
individual materials – Sheet 4: Aramid fibre paper containing not more than 50 % of mica
particles
3 Terms and definitions
For the purpose of this document, the following terms and definitions apply:
3.1
full width material
material of production width, for example about 1 m, as ordered
3.2
slit material (tape)
material cut from full width material
3.3
duplex material
laminate consisting of two layer
...
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