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BS EN IEC 60667-2:2020

BS EN IEC 60667-2:2020

$102.76

Vulcanized fibre for electrical purposes – Methods of test

Published By Publication Date Number of Pages
BSI 2020 20
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This part of IEC 60667 gives methods of test for vulcanized fibre sheets for electrical purposes. Material made by combining with an adhesive several thicknesses of vulcanized fibre is not covered by this document.

Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is 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 reference
3 Terms and definitions
12 4 General notes on tests
4.1 Conditioning
4.2 Drying
4.3 Result
5 Thickness
6 Density
6.1 Apparent density
Table 1 – Conditioning time
Table 2 – Drying time
13 6.2 Density in liquid (specific gravity)
7 Tensile strength and elongation
14 8 Flexural strength
9 Water absorption
10 Electric strength up to and including 3 mm in thickness
15 11 Arc resistance
12 Chloride content
13 Ash content
14 Flexibility (bending)
16 15 Moisture content
16 Internal ply adhesion
17 17 Shrinkage
18 Figure 1 – Measuring principle for the determination of the flexibility
Figure 2 – Measuring device for the determination of the flexibility
19 Figure 3 – Ply adhesion testing jig

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BS EN IEC 60667-2:2020
$102.76