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ISO 22557:2019

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

Standard Details

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

Status : Published
Standard Type: Main
Document No: ISO 22557:2019
Document Year: 2019
Pages: 15
Edition: 1
  • Section Volume:
  • ISO/TC 35/SC 9. General test methods for paints and varnishes
  • ICS:
  • 87.040 Paints and varnishes

Life Cycle

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ISO 22557:2019
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