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ISO 15184:2020

Paints and varnishes — Determination of film hardness by pencil test

Standard Details

This document specifies a method for determining the film hardness by pushing pencils of known hardness over the film.

The test can be performed on a single coating of a paint, varnish or related product, or on the upper layer of a multi-coat system.

This rapid test has not been found to be useful in comparing the pencil hardness of different coatings. It is more useful in providing relative ratings for a series of coated panels exhibiting significant differences in pencil hardness.

The method is applicable only to smooth surfaces.

General Information

Status : Published
Standard Type: Main
Document No: ISO 15184:2020
Document Year: 2020
Pages: 6
Edition: 3
  • 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 15184:2020
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