ISO-15184 › Paints and varnishes - Determination of film hardness by pencil test
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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.
To find similar documents by classification:
87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)
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Document Number
ISO 15184:2020
Revision Level
3RD EDITION
Status
Current
Publication Date
Jan. 1, 2020
Committee Number
ISO/TC 35/SC 9