GSO ISO 4628-4:2015
ISO 4628-4:2003
Gulf Standard
Current Edition
·
Approved on
03 September 2015
Paints and varnishes -- Evaluation of degradation of coatings -- Designation of quantity and size of defects, and of intensity of uniform changes in appearance -- Part 4: Assessment of degree of cracking
GSO ISO 4628-4:2015 Files
English
13 Pages
Current Edition
Reference Language
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GSO ISO 4628-4:2015 Scope
This part of ISO 4628 describes a method for assessing the degree of cracking of coatings by comparison with pictorial standards, using the designation system defined in ISO 4628-1.
ISO 4628-1 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.
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