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BS EN IEC 60674-3-4:2022

BS EN IEC 60674-3-4:2022

$167.15

Plastic films for electrical purposes – Specifications for individual materials. Sheets 4: Polyimide films used for electrical insulation

Published By Publication Date Number of Pages
BSI 2022 36
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This International Standard gives the requirements for polyimide films used for electrical purposes. Materials which conform to this specification meet established levels of performance. However, the selection of a 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.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
3 Terms and definitions
12 4 Classification
5 Designation
6 General requirements
13 7 Dimensions
7.1 Thickness
7.2 Width
8 Properties
8.1 Properties not dependent on thickness
Tables
Table 1 – Tolerance on the width
14 8.2 Properties dependent on thickness
Table 2 – Properties not dependent on thickness
15 9 Other properties
9.1 Thermal endurance
Table 3 – Properties dependent on thickness
16 9.2 Burning characteristics
10 Roll characteristics
10.1 Roll diameter/film length
10.2 Windability/sag
Table 4 – Thermal endurance
Table 5 – Windability/sag
17 10.3 Joins
Table 6 – Maximum permissible number of joins per roll
18 10.4 Difference between the film width and the roll width
10.5 Cores
Table 7 – Minimum permissible distance between splices or betweenany splice and the end of the roll (m)
Table 8 – Difference between the film width and the roll width
19 Bibliography
21 Français
SOMMAIRE
22 AVANT-PROPOS
24 INTRODUCTION
25 1 Domaine d’application
2 Références normatives
3 Termes et définitions
26 4 Classification
5 Désignation
6 Exigences générales
27 7 Dimensions
7.1 Épaisseur
7.2 Largeur
8 Propriétés
8.1 Propriétés indépendantes de l’épaisseur
Tableaux
Tableau 1 – Tolérance sur la largeur
28 8.2 Propriétés dépendantes de l’épaisseur
Tableau 2 – Propriétés indépendantes de l’épaisseur
29 9 Autres propriétés
9.1 Endurance thermique
Tableau 3 – Propriétés dépendantes de l’épaisseur
30 9.2 Caractéristiques de combustion
10 Caractéristiques des rouleaux
10.1 Diamètres des rouleaux/longueurs de film
10.2 Aptitude à l’enroulement/fléchissement
Tableau 4 – Endurance thermique
Tableau 5 – Aptitude à l’enroulement/fléchissement
31 10.3 Joints
Tableau 6 – Nombre maximal admissible de joints par rouleau
32 10.4 Différence entre la largeur du film et la largeur du rouleau
10.5 Mandrins
Tableau 7 – Distance minimale admissible entre les raccordsou entre un raccord et l’extrémité du rouleau (m)
Tableau 8 – Différence entre la largeur du film et la largeur du rouleau
33 Bibliographie

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BS EN IEC 60674-3-4:2022
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