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 60674-3-2:2019 gives the requirements for balanced biaxially oriented polyethylene terephthalate (PET) films used for electrical insulation. 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.
Keywords: plastic films for electrical purposes, balanced biaxially oriented polyethylene terephthalate (PET) films

Spécification pour les films en matière plastique à usages électriques - Partie 3: Spécifications pour matériaux particuliers - Feuille 2: Exigences pour les films de polyéthylène-téréphtalate (PET), à orientation biaxe équilibrée, utilisés dans l'isolation électrique

IEC 60674-3-2:2019 donne les exigences relatives aux films de polyéthylène-téréphtalate (PET), à orientation biaxe équilibrée, utilisés dans l'isolation électrique. Avertissement de sécurité: Il est de la responsabilité de l’utilisateur de s’assurer que les méthodes présentées ou référencées dans le présent document sont utilisées en toute sécurité.
Mots clés : films en matière plastique à usages électriques, films de polyéthylène-téréphtalate (PET), à orientation biaxe équilibrée

General Information

Status
Published
Publication Date
15-Jan-2019
Current Stage
PPUB - Publication issued
Start Date
14-Jan-2019
Completion Date
16-Jan-2019
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IEC 60674-3-2:2019 - 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
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IEC 60674-3-2 ®
Edition 2.0 2019-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
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
Spécification pour les films en matière plastique à usages électriques –
Partie 3: Spécifications pour matériaux particuliers Feuille 2: Exigences pour les
films de polyéthylène-téréphtalate (PET), à orientation biaxe équilibrée, utilisés
dans l'isolation électrique
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IEC 60674-3-2 ®
Edition 2.0 2019-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
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
Spécification pour les films en matière plastique à usages électriques –

Partie 3: Spécifications pour matériaux particuliers Feuille 2: Exigences pour les

films de polyéthylène-téréphtalate (PET), à orientation biaxe équilibrée, utilisés

dans l'isolation électrique
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.035.20 ISBN 978-2-8322-6386-0

– 2 – IEC 60674-3-2:2019  IEC:2019
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Classification . 6
5 Designation . 7
6 General requirements . 7
7 Dimensions. 7
7.1 Thickness . 7
7.2 Width . 7
7.3 Roll diameter/film length . 7
8 Physical properties . 8
8.1 Physical properties not dependent on thickness . 8
8.2 Physical properties dependent on thickness . 8
8.3 Electric strength (AC test) . 9
8.4 Electric strength (DC test) for type 2 . 9
8.5 Electrical weak spots (type 2 only) . 10
8.6 Thermal endurance . 11
8.7 Temperature and hydrolysis resistance . 11
9 Roll characteristics for all types . 11
9.1 Windability (bias/camber and sag) . 11
9.2 Joins . 12
9.3 Difference between the film width and the roll width . 12
9.4 Cores . 12
Bibliography . 13

Table 1 – Physical properties not dependent on thickness . 8
Table 2 – Physical properties dependent on thickness for types 1, 3, 4 and 5 . 8
Table 3 – Physical properties dependent on thickness for type 2 . 9
Table 4 – Electric strength (AC test) for all types . 9
Table 5 – Electric strength (DC test) type 2 only . 10
Table 6 – Number of faults counted (type 2 only) . 10
Table 7 – Thermal endurance . 11
Table 8 – Temperature and hydrolysis resistance . 11
Table 9 – Windability . 11

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
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

FOREWORD
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International Standard IEC 60674-3-2 has been prepared by IEC technical committee 15:
Solid electrical insulating materials.
This second edition cancels and replaces the first edition published in 199
...

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