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ISO 22557:2019

Paints and varnishes - Scratch test using a spring-loaded pen
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International Organization for Standardization Logo

ISO 22557:2019

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

PUBLISH DATE 2019
ISO 22557:2019

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 Ă— 50 mm).

The test can be carried out as a "pass/fail" test (test requirement I) or as a classification test (test requirement II).

SDO ISO: International Organization for Standardization
Document Number ISO 22557
Publication Date July 1, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 35/SC 9
Publish Date Document Id Type View
July 1, 2019 ISO 22557:2019 Revision