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Norm

ISO 4628-10:2024

Issue date: 2024 03 15

Paints and varnishes — Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 10: Assessment of degree of filiform corrosion

This document specifies a method for assessing the amount of filiform corrosion developed from a scribed mark by measuring the length of the longest filament L and the mo...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 8 Pages
Language:
English

This document specifies a method for assessing the amount of filiform corrosion developed from a scribed mark by measuring the length of the longest filament L and the most frequent length M of filaments.

Pictorial examples provided in Annex A of this document illustrate different ratings for the degree of filiform corrosion. A comparison of the test panels with the 12 pictures in Annex A does not supersede the obligatory numerical assessment (method 1 or 2).

ISO 4628-1 defines a system used for designating the quantity and size of defects and the intensity of uniform 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.

ISO 4628-10:2024
2024 03 15
Paints and varnishes — Evaluation of quantity and size of defects, and of intensity of uniform chang...
Norm
ISO 4628-10:2016
2016 01 12
Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of d...
Norm
ISO 4628-10:2003
2003 09 17
Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of d...
Norm
ISO 4623:1984
1984 06 01
Paints and varnishes — Filiform corrosion test on steel
Norm
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