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immediate downloadReleased: 2021-01-06
BS EN ISO 22557:2020
Paints and varnishes. Scratch test using a spring-loaded pen
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Standard number: | BS EN ISO 22557:2020 |
Pages: | 22 |
Released: | 2021-01-06 |
ISBN: | 978 0 539 14059 0 |
Status: | Corrigendum |
DESCRIPTION
BS EN ISO 22557:2020
This standard BS EN ISO 22557:2020 Paints and varnishes. Scratch test using a spring-loaded pen is classified in these ICS categories:
- 87.040 Paints and varnishes
This document specifies a method for determining the resistance of a coating to scratches introduced by a usually hand-held loaded stylus.
The test can be carried out using a point stylus (method A) or using a disc stylus (method B).
Both methods are generally applicable and can be used in the field as well as on curved surfaces. Method A can also be applied on small test specimens (minimum dimensions 30 mm × 50 mm).
The test can be carried out as a “pass/fail” test (test requirement I) or as a classification test (test requirement II).