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  • BSI
    BS EN 13523-14:2023 Coil coated metals. Test methods - Chalking (Helmen method)
    Edition: 2023
    $281.30
    / user per year

Description of BS EN 13523-14:2023 2023

This document 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.

Standard NumberBS EN 13523-14:2023
TitleCoil coated metals. Test methods - Chalking (Helmen method)
StatusDefinitive
Publication Date2023-03-20
ReplacesBS EN 13523-14:2014
Identical National Standard OfEN 13523-14:2023
DescriptorsOrganic coatings, Environmental testing, Metals, Degradation, Instrumental methods of analysis, Coatings, Artificial weathering tests, Coils, Particulate materials, Surface defects, Decomposition reactions
ICS25.220.60 Organic coatings, 17.040.20 Properties of surfaces
CommitteeSTI/21
ISBN978 0 539 21450 5
PublisherBSI
Pages12

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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