Reference number
ISO 22557:2019
ISO 22557:2019
© ISO 2024
International Standard
ISO 22557:2019
Paints and varnishes — Scratch test using a spring-loaded pen
Edition 1
2019-07
2019-07
Abstract
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).
General information
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Status: PublishedPublication date: 2019-07Stage: Close of review [90.60]
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Edition: 1Number of pages: 15
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Technical Committee :ISO/TC 35/SC 9ICS :87.040
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