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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Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Superseded date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.

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.

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Superseded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

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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