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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-03-2017

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Assessment
5 Expression of results
6 Test report
Annex A (informative) - Pictorial examples of different ratings
for the length of the longest filament L and the most
frequent filament length M
Bibliography

Gives 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 the filaments.

This part of ISO4628 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 AnnexA of this part of ISO4628 illustrate different ratings for the length of the longest filament L and the most frequent length M of the filaments. A comparison of the test panels with the 12 pictures in AnnexA does not supersede the obligatory numerical assessment (method 1 or 2). ISO4628‑1 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.

Committee	STI/10
DevelopmentNote	Supersedes 99/402116 DC (10/2003) Supersedes BS 3900-H10(2003) & 14/30301178 DC. (02/2016)
DocumentType	Standard
Pages	18
PublisherName	British Standards Institution
Status	Current
Supersedes	BS EN ISO 4628-10:2003 99/402116 DC : DRAFT MAR 1999 BS 3900-H10(2003) : 2003 14/30301178 DC : 0

Standards	Relationship
UNE-EN ISO 4628-10:2016	Identical
DIN EN ISO 4628-10:2016-07	Identical
NF EN ISO 4628-10 : 2016	Identical
NS EN ISO 4628-10 : 2003	Identical
NBN EN ISO 4628-10 : 2016	Identical
NEN EN ISO 4628-10 : 2016 + COR 2016	Identical
SN EN ISO 4628-10 : 2016	Identical
ISO 4628-10:2016	Identical
EN ISO 4628-10:2016	Identical
UNI EN ISO 4628-10 : 2007	Identical
I.S. EN ISO 4628-10:2016	Identical

ISO 4623-2:2016	Paints and varnishes Determination of resistance to filiform corrosion Part 2: Aluminium substrates
ISO 13076:2012	Paints and varnishes Lighting and procedure for visual assessments of coatings
ISO 4623-1:2000	Paints and varnishes Determination of resistance to filiform corrosion Part 1: Steel substrates

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BS EN ISO 4628-10:2016

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

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory