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EVS-EN ISO 22557:2020

Paints and varnishes - Scratch test using a spring-loaded pen (ISO 22557:2019)

Üldinfo
Kehtiv alates 31.12.2020
Alusdokumendid
ISO 22557:2019; EN ISO 22557:2020
Tegevusala (ICS grupid)
87.040 Värvid ja lakid
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
31.12.2020
Põhitekst
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).
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