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This document describes methods for measuring the thickness of coatings applied to a substrate. Methods for determining wet-film thickness, dry-film thickness, and the film thickness of uncured powder layers are described.

For each method described, this document provides an overview of the field of application, existing standards, and the precision.

Information on measuring film thickness on rough surfaces is given in Annex B.

Information on measuring film thickness on wooden substrates is given in Annex C.