EN IEC 60455-2:2023

SLOVENSKI STANDARD
01-maj-2024
Nadomešča:
SIST EN 60455-2:2016
Reaktivne zmesi na osnovi smole, ki se uporabljajo za električno izolacijo - 2. del:
Preskusne metode (IEC 60455-2:2023)
Resin based reactive compounds used for electrical insulation - Part 2: Methods of test
(IEC 60455-2:2023)
Reaktionsharzmassen für die Elektroisolierung - Teil 2: Prüfverfahren (IEC 60455-
2:2023)
Composés réactifs à base de résines utilisés comme isolants électriques - Partie 2:
Méthodes d'essai (IEC 60455-2:2023)
Ta slovenski standard je istoveten z: EN IEC 60455-2:2023
ICS:
29.035.01 Izolacijski materiali na Insulating materials in
splošno general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60455-2

NORME EUROPÉENNE
EUROPÄISCHE NORM September 2023
ICS 17.220.99; 29.035.01 Supersedes EN 60455-2:2015
English Version
Resin based reactive compounds used for electrical insulation -
Part 2: Methods of test
(IEC 60455-2:2023)
Composés réactifs à base de résines utilisés comme Reaktionsharzmassen für die Elektroisolierung - Teil 2:
isolants électriques - Partie 2: Méthodes d'essai Prüfverfahren
(IEC 60455-2:2023) (IEC 60455-2:2023)
This European Standard was approved by CENELEC on 2023-08-31. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60455-2:2023 E

European foreword
The text of document 15/1006/FDIS, future edition 4 of IEC 60455-2, prepared by IEC/TC 15 "Solid
electrical insulating materials" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 60455-2:2023.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-05-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-08-31
document have to be withdrawn
This document supersedes EN 60455-2:2015 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60455-2:2023 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
ISO 2578:1993 NOTE Approved as EN ISO 2578:1998 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1  Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60050 series International electrotechnical vocabulary - series
IEC 60068-2-10 2005 Environmental testing - Part 2-10: Tests - EN 60068-2-10 2005
Test J and guidance: Mould growth
IEC 60112 2020 Method for the determination of the proof and EN IEC 60112 2020
the comparative tracking indices of solid
insulating materials
IEC 60216 series Electrical insulating materials - Thermal EN 60216 series
endurance properties
IEC 60296 2020 Fluids for electrotechnical applications - EN IEC 60296 2020
Mineral insulating oils for electrical equipment
IEC 60426 2007 Electrical insulating materials - Determination EN 60426 2007
of electrolytic corrosion caused by insulating
materials - Test methods
IEC 60455-1 1998 Resin based reactive compounds used for EN 60455-1 1998
electrical insulation - Part 1: Definitions and
general requirements
IEC 60455-3 series Resin based reactive compounds used for EN 60455-3 series
electrical insulation - Part 3: Specifications for
individual materials
IEC 60455-3-8 2021 Resin based reactive compounds used for EN IEC 60455-3-8 2021
electrical insulation - Part 3-8: Specifications
for individual materials - Resins for cable
accessories
IEC 60695-11-10 2013 Fire hazard testing - Part 11-10: Test flames - EN 60695-11-10 2013
50 W horizontal and vertical flame test
methods
IEC 60814 1997 Insulating liquids - Oil-impregnated paper and EN 60814 1997
pressboard - Determination of water by
automatic coulometric Karl Fischer titration
IEC 61033 1991 Test methods for the determination of bond - -
strength of impregnating agents to an
enamelled wire substrate
Publication Year Title EN/HD Year
IEC 61099 2010 Insulating liquids - Specifications for unused EN 61099 2010
synthetic organic esters for electrical
purposes
ISO 37 2011 Rubber, vulcanized or thermoplastic - - -
Determination of tensile stress-strain
properties
ISO 62 2008 Plastics - Determination of water absorption EN ISO 62 2008
ISO 75 series Plastics and ebonite – Determination of EN ISO 75 series
temperature of deflection under load
ISO 175 2010 Plastics - Methods of test for the EN ISO 175 2010
determination of the effects of immersion in
liquid chemicals
ISO 178 2010 Plastics - Determination of flexural properties - -
ISO 179-1 2010 Plastics - Determination of Charpy impact - -
properties - Part 1: Non-instrumented impact
test
ISO 179-2 1997 Plastics - Determination of Charpy impact - -
properties - Part 2: Instrumented impact test
ISO 291 - Plastics - Standard atmospheres for EN ISO 291 -
conditioning and testing
ISO 306 2013 Plastics - Thermoplastic materials - - -
Determination of Vicat softening temperature
(VST)
ISO 527 series Plastics – Determination of tensile properties EN ISO 527 series
ISO 584 1982 Plastics - Unsaturated polyester resins - EN ISO 584 1997
Determination of reactivity at 80 degrees C
(conventional method)
ISO 604 2002 Plastics - Determination of compressive EN ISO 604 2003
properties
ISO 868 2003 Plastics and ebonite - Determination of EN ISO 868 2003
indentation hardness by means of a
durometer (Shore hardness)
ISO 1183-1 2019 Plastics – Methods for determining the density EN ISO 1183-1 2019
of non-cellular plastics – Part 1: Immersion
method, liquid pycnometer method and
titration method
ISO 1513 2010 Paints and varnishes - Examination and EN ISO 1513 2010
preparation of test samples
ISO 1523 2002 Determination of flash point - Closed cup EN ISO 1523 2002
equilibrium method
ISO 1675 1985 Plastics - Liquid resins - Determination of - -
density by the pyknometer method
ISO 2039-1 1993 Plastics - Determination of hardness - Part 1: - -
Ball indentation method
ISO 2114 2000 Plastics (polyester resins) and paints and EN ISO 2114 2000
varnishes (binders) - Determination of partial
acid value and total acid value
- - + AC 2005
Publication Year Title EN/HD Year
ISO 2431 1993 Paints and varnishes - Determination of flow - -
time by use of flow cups
ISO 2535 1997 Plastics - Unsaturated polyester resins - - -
Measurement of gel time at 25 degrees C
ISO 2554 1997 Plastics - Unsaturated polyester resins - EN ISO 2554 1998
Determination of hydroxyl value
ISO 2555 1989 Plastics - Resins in the liquid state or as - -
emulsions or dispersions - Determination of
apparent viscosity by the Brookfield test
method
ISO 2592 1973 Petroleum products - Determination of flash - -
and fire points - Cleveland open cup method
ISO 3001 1997 Plastics - Epoxide compounds - Determination - -
of epoxide equivalent
ISO 3219 1993 Plastics - Polymers/resins in the liquid state or - -
as emulsions or dispersions - Determination
of viscosity using a rotational viscometer with
defined shear rate
ISO 3451-1 1997 Plastics - Determination of ash - Part 1: - -
General methods
ISO 3521 1997 Plastics - Unsaturated polyester and epoxy EN ISO 3521 1999
resins - Determination of overall volume
shrinkage
ISO 3679 1983 Paints, varnishes, petroleum and related - -
products; Determination of flashpoint; Rapid
equilibrium method
ISO 4573 1978 Plastics - Epoxide resins and glycidyl esters - - -
Determination of inorganic chlorine
ISO 4583 1998 Plastics - Epoxide resins and related materials - -
- Determination of easily saponifiable chlorine
ISO 4615 1979 Plastics - Unsaturated polyesters and epoxide EN ISO 4615 1999
resins - Determination of total chlorine content
ISO 4625 1980 Binders for paints and varnishes - - -
Determination of softening point - Ring-and-
ball method
ISO 4895 - Plastics - Liquid epoxy resins - Determination - -
of tendency to crystallize
ISO 7056 - Plastics laboratory ware - Beakers - -
ISO 9396 1997 Plastics - Phenolic resins - Determination of EN ISO 9396 2000
the gel time at a given temperature using
automatic apparatus
ISO 11357-2 1999 Plastics - Differential scanning calorimetry - -
(DSC) - Part 2: Determination of glass
transition temperature
ISO 11359-2 1999 Plastics - Thermomechanical analysis (TMA) - -
– Part 2: Determination of coefficient of linear
thermal expansion and glass transition
temperature
Publication Year Title EN/HD Year
ISO 11359-3 2002 Plastics - Thermomechanical analysis (TMA) - - -
Part 3: Determination of penetration
temperature
ISO 14896 2009 Plastics – Polyurethane raw materials – EN ISO 14896 2009
Determination of isocyanate content
ISO 15528 2000 Paints, varnishes and raw materials for paints - -
and varnishes - Sampling
IEC 60455-2 ®
Edition 4.0 2023-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Resin based reactive compounds used for electrical insulation –

Part 2: Methods of test
Composés réactifs à base de résines utilisés comme isolants électriques –

Partie 2: Méthodes d'essai
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.99, 29.035.01 ISBN 978-2-8322-7283-1

– 2 – IEC 60455-2:2023 © IEC 2023
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 11
4 General notes on methods of test . 11
4.1 Preparation and conditioning. 11
4.2 Sequence of tests . 12
4.3 Test report . 12
5 Methods of test for reactive compounds and their components . 12
5.1 Flash point . 12
5.2 Density . 12
5.3 Viscosity . 12
5.4 Viscosity after storing at elevated temperature .
...