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DIN EN 13523-3

Coil coated metals - Test methods - Part 3: Colour difference - Instrumental comparison

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Organization: DIN
Publication Date: 1 August 2014
Status: active
Page Count: 11
ICS Code (Organic coatings): 25.220.60
scope:

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:

a) instrumental colour difference measurement using a tristimulus colorimeter;

b) 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

Document History

January 1, 2022
Coil coated metals - Test methods - Part 3: Colour difference and metamerism - Instrumental comparison
A description is not available for this item.
November 1, 2020
Coil coated metals - Test methods - Part 3: Colour difference and metamerism - Instrumental comparison; German and English version prEN 13523-3:2020
A description is not available for this item.
DIN EN 13523-3
August 1, 2014
Coil coated metals - Test methods - Part 3: Colour difference - Instrumental comparison
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...
December 1, 2001
Coil coated metals - Test methods - Part 3: Colour difference; Instrumental comparison; English version of DIN EN 13523-3
A description is not available for this item.

References

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