oSIST prEN IEC 60674-3-1:2025

SLOVENSKI STANDARD
01-november-2025
Plastične folije za električne namene - 3. del: Specifikacije za posamezne materiale
- 1. list: Dvoosno orientirane polipropilenske folije za kondenzatorje
Plastic films for electrical purposes - Part 3: Specifications for individual materials - Sheet
1: Biaxially oriented polypropylene (PP) films for capacitors
Films plastiques à usages électriques - Partie 3: Spécifications pour matériaux
particuliers - Feuille 1: Films de polypropylène biorienté (PP) pour condensateurs
Ta slovenski standard je istoveten z: prEN IEC 60674-3-1:2025
ICS:
29.035.20 Plastični in gumeni izolacijski Plastics and rubber insulating
materiali materials
83.140.10 Filmi in folije Films and sheets
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

15/1069/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60674-3-1 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-09-26 2025-12-19
SUPERSEDES DOCUMENTS:
15/1055/CD, 15/1065A/CC
IEC TC 15 : SOLID ELECTRICAL INSULATING MATERIALS
SECRETARIAT: SECRETARY:
United States of America Mr Solomon Chiang
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):

TC 112
ASPECTS CONCERNED:
Electricity transmission and distribution, Electromagnetic Compatibility, Energy Efficiency, Safety
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
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CENELEC, is drawn to the fact that this Committee Draft for Vote
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be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC clauses.
(SEE AC/22/2007 OR NEW GUIDANCE DOC).
nex A
TITLE:
Plastic films for electrical purposes – Part 3: Specifications for individual materials – Sheet 1: Biaxially oriented
polypropylene (PP) films for capacitors

PROPOSED STABILITY DATE: 2031
NOTE FROM TC/SC OFFICERS:
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IEC CDV 60674-3-1 © IEC 2025
Link to Committee Draft for Vote (CDV) online document:

https://osd.iec.ch/#/editor/archive/2c752e0c-a292-4759-e063-6d13000a4076/en/CCDV/1

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ii
IEC CDV 60674-3-1 © IEC 2025
CONTENTS
FOREWORD . 2
INTRODUCTION . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Classification . 5
5 Designation . 6
6 General requirements . 6
7 Dimensions . 6
7.1 Thickness . 6
7.2 Width . 6
7.3 Length/diameter . 7
8 Properties . 7
8.1 Physical properties . 7
8.2 Electric strength (DC test) . 8
8.3 Electrical weak spots . 8
8.4 Thermal endurance . 9
8.5 Wetting tension (types 1b + 1c, 2b + 2c and 3b + 3c only) . 9
8.6 Liquid absorption . 9
8.7 Compatibility with impregnants. 10
8.8 Dissipation factor under impregnated conditions . 10
8.9 Space factor . 10
9 Roll characteristics . 10
9.1 Windability . 10
9.2 Joins . 10
9.3 Roll width (overall width) . 11
9.4 Core . 11
9.5 Labelling . 11
Bibliography . 12

Table 1 – Physical properties . 7
Table 2 – Electric strength (DC test) for types 1, 2 and 3 . 8
Table 3 – Electrical weak spots for types 1, 2 and 3 . 9
Table 4 – Maximum number of joins within a roll (types 1, 2 and 3) . 11

IEC CDV 60674-3-1 © IEC 2025
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
Plastic films for electrical purposes –
Part 3: Specifications for individual materials – Sheet 1: Biaxially oriented
polypropylene (PP) films for capacitors

FOREWORD
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced
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9) IEC draws attention to the possibility that the implementation of this document may involve
the use of (a) patent(s). IEC takes no position concerning the evidence, validity or applicability
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IEC [had/had not] received notice of (a) patent(s), which may be required to implement this
IEC CDV 60674-3-1 © IEC 2025
document. However, implementers are cautioned that this may not represent the latest
information, which may be obtained from the patent database available at https://patents.iec.ch.
IEC shall not be held responsible for identifying any or all such patent rights.
IEC 60674–3–1 has been prepared by IEC technical committee 15: Solid electrical insulating
materials. It is an International Standard.
This third edition cancels and replaces the second edition published in [publication_date],
Amendment 1:[publication_date] and Amendment 2:[publication_date]. This edition constitutes
a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) this document has been completely revised editorially and technically and included in the
IEC 60674 series of standards;
b) the test methods have been updated to reflect today’s state of the art.
The text of this International Standard is based on the following documents:
Draft Report on voting
15/XX/CDV 15/XX/RVC
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at http://www.iec.ch/members_experts/refdocs. The main document types developed by IEC
are described in greater detail at http://www.iec.ch/standardsdev/publications.
A list of all parts in the IEC 60674 series, published under the general title Plastic films for
electrical purposes, can be found on the IEC website.
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, or
– revised.
IEC CDV 60674-3-1 © IEC 2025
INTRODUCTION
This standard is one of a series which deals with plastic films for electrical purposes. The series
will consist of three parts:
Part 1: Definitions and general requirements (IEC 60674–1:1980);
Part 2: Methods of test (IEC 606
...