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Hlavní stránka>BS ISO 22557:2019 Paints and varnishes. Scratch test using a spring-loaded pen
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sklademVydáno: 2019-07-19
BS ISO 22557:2019 Paints and varnishes. Scratch test using a spring-loaded pen

BS ISO 22557:2019

Paints and varnishes. Scratch test using a spring-loaded pen

Měna
4 650 Kč
Označení normy:BS ISO 22557:2019
Počet stran:22
Vydáno:2019-07-19
ISBN:978 0 539 00129 7
Status:Standard
Popis

BS ISO 22557:2019


This standard BS ISO 22557:2019 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).