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BSI BS EN 13523-3:2014

Coil coated metals. Test methods -- Colour difference and metamerism. Instrumental comparison
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BSI BS EN 13523-3:2014

Coil coated metals. Test methods -- Colour difference and metamerism. Instrumental comparison

PUBLISH DATE 2014
PAGES 14
BSI BS EN 13523-3:2014

This part of EN 13523 specifies procedures for determining the instrumental colour difference (CIELAB) of an organic coating on a metallic substrate.

Establishing a standard as well as the magnitude of an acceptable colour difference are not covered by this method.

Two methods are given in this part of EN 13523:

  1. instrumental colour difference measurement using a tristimulus colorimeter;

  2. instrumental colour difference measurement using a spectrophotometer or equivalent.

Care should be taken when measuring e.g.

  • textured surfaces;

  • fluorescent coatings;

  • metameric coatings;

  • multi-coloured, pearlescent, metallic or special colour effect coatings.

In order to determine whether metamerism is present, the metamerism index is determined (see EN 13523-15) and/or a visual examination (see EN 13523-22) is performed with different artificial light sources.

SDO BSI: British Standards Institution
Document Number EN 13523-3
Publication Date June 30, 2014
Language en - English
Page Count 14
Revision Level
Supercedes
Committee STI/21
Publish Date Document Id Type View
May 9, 2024 BS EN 13523-3:2024 Revision
Oct. 21, 2021 BS EN 13523-3:2021 Revision
June 30, 2014 BS EN 13523-3:2014 Revision
March 15, 2001 BS EN 13523-3:2001 Revision