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BS EN 13523-3:2014

BS EN 13523-3:2014

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Coil coated metals. Test methods Colour difference. Instrumental comparison

Available format(s)

Hardcopy , PDF

Superseded date

21-10-2021

Language(s)

English

Published date

30-06-2014

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Specimens
8 Procedure
9 Expression of results
10 Accuracy
11 Test report
Bibliography

Defines procedures for determining the instrumental colour difference (CIELAB) of an organic coating on a metallic substrate.

Committee
STI/21
DevelopmentNote
Supersedes 99/402350 DC. (09/2005) Supersedes 12/30268955 DC. (06/2014)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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: instrumental colour difference measurement using a tristimulus colorimeter; 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.

EN 23270:1991 Paints and varnishes and their raw materials - Temperatures and humidities for conditioning and testing (ISO 3270:1984)
ISO 11664-3:2012 Colorimetry Part 3: CIE tristimulus values
EN ISO 11664-4:2011 Colorimetry - Part 4: CIE 1976 L*a*b* Colour space (ISO 11664-4:2008)
ISO 11664-4:2008 Colorimetry Part 4: CIE 1976 L*a*b* Colour space
EN 13523-0:2014 Coil coated metals - Test methods - Part 0: General introduction
EN 1396:2015 Aluminium and aluminium alloys - Coil coated sheet and strip for general applications - Specifications
EN 10169:2010+A1:2012 Continuously organic coated (coil coated) steel flat products - Technical delivery conditions
EN 13523-22:2017 Coil coated metals - Test methods - Part 22: Colour difference - Visual comparison
ISO 3270:1984 Paints and varnishes and their raw materials — Temperatures and humidities for conditioning and testing
EN 13523-15:2015 Coil coated metals - Test methods - Part 15: Metamerism
EN ISO 11664-3:2013 Colorimetry - Part 3: CIE tristimulus values (ISO 11664-3:2012)

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Hardcopy - English
PDF - English
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