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EN 13523-4:2014

Coil coated metals - Test methods - Part 4: Pencil hardness

Publication date:   Jan 21, 2015

General information

90.60   Close of review   Mar 4, 2026

CEN

CEN/TC 139 Paints and varnishes

European Norm

25.220.60   Organic coatings

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Scope

This part of EN 13523 describes the procedure to assess the relative hardness of an organic coating on a metallic substrate, by means of pencils of known hardness.
Smooth surfaces will give more accurate results but the method is also applicable for textured surfaces. The more pronounced the texture, the greater the unreliability of results.

Life cycle

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WITHDRAWN
EN 13523-4:2001

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PUBLISHED
EN 13523-4:2014
90.60 Close of review
Mar 4, 2026

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IN_DEVELOPMENT
prEN 13523-4 rev