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BS EN ISO 4628-2:2016

BS EN ISO 4628-2:2016

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Current

The latest, up-to-date edition.

Paints and varnishes. Evaluation of degradation of coatings. Designation of quantity and size of defects, and of intensity of uniform changes in appearance Assessment of degree of blistering

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-29-2016

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Assessment
5 Expression of results
6 Test report
Annex A (normative) - Calibration images
Annex B (informative) - Correlation between ISO 4628-2 and
        ASTM D 714 rating systems
Bibliography

Gives a method for assessing the degree of blistering of coatings by comparison with pictorial standards.

This part of ISO4628 specifies a method for assessing the degree of blistering of coatings by comparison with pictorial standards. The pictorial standards provided in this part of ISO4628 illustrate blisters in the sizes 2, 3, 4, and 5, and each size in the quantities (densities) 2, 3, 4, and 5. ISO4628‑1 defines the system used for designating the quantity and size of defects and the intensity of changes in appearance of coatings and outlines the general principles of the system. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing.

Committee
STI/10
DevelopmentNote
Supersedes BS 3900-H2(1983) and 97/123857 DC. (09/2003) Supersedes BS 3900-H2(2003) & 14/30301158 DC. (02/2016)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 5X 17(1998) : 1998 SPECIFICATION FOR OLEORESINOUS VARNISH FOR AEROSPACE PURPOSES

ISO 13076:2012 Paints and varnishes Lighting and procedure for visual assessments of coatings
ISO 4628-1:2016 Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 1: General introduction and designation system

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Hardcopy - English
PDF - English
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