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BS EN ISO 4628-10:2024

$102.76

Paints and varnishes. Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance – Assessment of degree of filiform corrosion

Published By Publication Date Number of Pages
BSI 2024 16
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Assessment
4.1 General
4.2 Method 1
4.3 Method 2
10 5 Expression of results
6 Test report
11 Annex A (informative) Pictorial examples for the degree of filiform corrosion
14 Bibliography
BS EN ISO 4628-10:2024
$102.76