BS EN IEC 60674-3-7:2023 – TC

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Tracked Changes. Plastic films for electrical purposes – Specifications for individual materials. Sheet 7. Fluoroethylene-propylene (FEP) films used for electrical insulation

Published By	Publication Date	Number of Pages
BSI	2023	39

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Categories: 29.035.20 - Plastics and rubber insulating materials, BSI

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Annex ZA (normative)Normative references to international publicationswith their corresponding European publications

English
CONTENTS

FOREWORD

INTRODUCTION

1 Scope
2 Normative references
3 Terms and definitions
4 Classification

5 Designation
6 General requirement
7 Dimensions
7.1 Thickness

7.2 Width
8 Film length/roll diameter
9 Properties
9.1 Properties not dependent on thickness
Tables
Table 1 – Nominal thickness and permitted range of thickness

9.2 Properties dependent on thickness
9.3 Electric strength (AC test)
Table 2 – Property not dependent on thickness for all types
Table 3 – Properties dependent on thickness for all types

9.4 Thermal endurance
9.5 Burning characteristics
10 Roll characteristics for all types
10.1 General
10.2 Windability/sag
10.3 Joins
Table 4 – Electric strength (AC test) for all types

10.4 Difference between the film width and the roll width
10.5 Cores
Table 5 – Maximum permissible number of joins per roll
Table 6 – Difference between the film width and the roll width

Bibliography

Status	Definitive
Pages	39
Publication Date	2023-10-31
ISBN	978 0 539 29040 0
Standard Number	BS EN IEC 60674-3-7:2023 – TC
Title	Tracked Changes. Plastic films for electrical purposes – Specifications for individual materials. Sheet 7. Fluoroethylene-propylene (FEP) films used for electrical insulation
Descriptors	Tensile strength, Solid electrical insulating materials, Rolls, Shrinkage, Dimensional tolerances, Dimensional changes, Breakdown voltage, Plastics, Permittivity, Electrical resistivity, Dielectric materials, Corrosion resistance, Elongation at fracture, Diameter, Thickness, Tetrafluoroethylene, Density, Dissipation factor, Thermal resistance, Insulating films, Dimensions, Copolymers, Specimen preparation, Electrical insulating materials, Film splices, Plastic films, Test specimens, Dielectric strength, Width, Designations
Publisher	BSI
Committee	GEL/15
ICS Codes	29.035.20 - Plastics and rubber insulating materials