Status : Published
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Abstract

This document specifies a method for assessing the degree of flaking of coatings by comparison with pictorial standards.

ISO 4628-1 specifies the system used for designating the quantity and size of defects and the intensity of changes in appearance of coatings. It also 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.

General information

  • Status
     : Published
    Publication date
     : 2022-11
    Stage
    : International Standard published [60.60]
  • Edition
     : 4
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 35/SC 9
    ICS :
    87.040 
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