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BS EN ISO 21546:2020:2021 Edition

BS EN ISO 21546:2020:2021 Edition

$142.49

Paints and varnishes. Determination of the resistance to rubbing using a linear abrasion tester (crockmeter)

Published By Publication Date Number of Pages
BSI 2021 26
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This document specifies a method for determining the resistance of a coating to rubbing by means of a loaded abrasive material which is linearly moved over the surface to be tested.

The method can also be applied to different material surfaces, such as plastics and metals.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
5 Apparatus and ancillary materials
5.1 Linear abrasion tester (crockmeter)
9 5.2 Abrasion tool
12 5.3 Felt cloth
13 5.4 Abrasive material, for lining the abrasion tool
5.5 Abrasive medium
5.6 Tools for assessing the friction marks
6 Test specimens
6.1 Test specimens
6.2 Film thickness
6.3 Conditioning
14 7 Procedure
7.1 Test conditions subject to agreement
7.2 Test environment
7.3 Testing process
15 8 ā€‹Evaluation
9 Precision
9.1 Repeatability limit, r
9.2 Reproducibility limit, R
16 10 Test report
17 Annex A (informative) Usual test conditions
18 Annex B (informative) Measuring template
19 Annex C (informative) Evaluation of gloss as test criterion
20 Annex D (informative) Details on precision
24 Bibliography

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BS EN ISO 21546:2020
$142.49