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BS EN 13523-14:2014

BS EN 13523-14:2014

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Chalking (Helmen method)

Available format(s)

Hardcopy , PDF

Superseded date

03-20-2023

Language(s)

English

Published date

06-30-2014

Publisher

British Standards Institution

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

Defines the procedure for determining objectively the chalking resulting from natural or artificial weathering of an organic coating on a metallic substrate.

This Part of EN 13523 describes the procedure for determining objectively the chalking resulting from natural or artificial weathering of an organic coating on a metallic substrate.

The advantage of this procedure for measuring chalking of an organic coating is that the result can be read off immediately on an instrument. Subjective judgement by visual comparison of test specimens with reference specimens is not necessary.

Reproducible results can only be obtained by careful execution of the test. Special attention is paid to the adhesive tape and its application to the test surface.

The test method is not applicable to embossed coatings. In the case of textured coatings, the degree of texture will influence readings. Also dirt collection can influence readings on outdoor weathered specimens.

NOTE Different methods for assessing chalking are in use. The results of these different methods are not comparable.

Committee
STI/21
DevelopmentNote
Supersedes 99/124035 DC. (09/2005) Supersedes 12/30268967 DC. (06/2014)
DocumentType
Standard
Pages
12
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Superseded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)
IEC 60454-2:2007 Pressure-sensitive adhesive tapes for electrical purposes - Part 2: Methods of test
EN 13523-10:2017 Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation
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 60454-2:2007 PRESSURE-SENSITIVE ADHESIVE TAPES FOR ELECTRICAL PURPOSES - PART 2: METHODS OF TEST
EN 10169:2010+A1:2012 Continuously organic coated (coil coated) steel flat products - Technical delivery conditions
EN ISO 4628-6:2011 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 6: Assessment of degree of chalking by tape method (ISO 4628-6:2011)
EN 13523-19:2011 Coil coated metals - Test methods - Part 19: Panel design and method of atmospheric exposure testing
ISO 4628-6:2011 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 6: Assessment of degree of chalking by tape method
ISO 3270:1984 Paints and varnishes and their raw materials — Temperatures and humidities for conditioning and testing
ISO 2813:2014 Paints and varnishes — Determination of gloss value at 20°, 60° and 85°
EN ISO 2813:2014 Paints and varnishes - Determination of gloss value at 20°, 60° and 85° (ISO 2813:2014)

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