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UNE EN ISO 4628-5:2023
Paints and varnishes - Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 5: Assessment of degree of flaking (ISO 4628-5:2022)
Pinturas y barnices. Evaluación de la cantidad y tamaño de defectos, y de la intensidad de los cambios uniformes de aspecto. Parte 5: Evaluación del grado de descamación. (ISO 4628-5:2022).
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| Standard number: | UNE EN ISO 4628-5:2023 |
| Pages: | 14 |
| Released: | 2023-06-28 |
| Status: | Standard |
| Pages (Spanish): | 13 |
DESCRIPTION
UNE EN ISO 4628-5:2023
This document specifies a method for assessing the degree of flaking of coatings by comparison with pictorial standards. 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.