NF EN ISO 4628-10

NF EN ISO 4628-10

March 2016
Standard Cancelled

Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 10 : assessment of degree of filiform corrosion

ISO 4628-10:2016 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 part of ISO 4628 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 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.

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Main informations

Collections

National standards and national normative documents

Publication date

March 2016

Number of pages

18 p.

Reference

NF EN ISO 4628-10

ICS Codes

87.040   Paints and varnishes

Classification index

T30-140-10

Print number

2 - 01/04/2017

International kinship

ISO 4628-10:2016

European kinship

EN ISO 4628-10:2016
Sumary
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 10 : assessment of degree of filiform corrosion

ISO 4628-10:2016 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 part of ISO 4628 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 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.

Replaced standards (1)
NF EN ISO 4628-10
May 2004
Standard Cancelled
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 10 : assessment of degree of filiform corrosion

ISO 4628-10:2003 describes 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. Pictorial examples are provided in an annex to illustrate different ratings for the length of the longest filament L and the most frequent filament length M.

Standard replaced by (1)
NF EN ISO 4628-10
May 2004
Standard Cancelled
Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 10 : assessment of degree of filiform corrosion

ISO 4628-10:2003 describes 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. Pictorial examples are provided in an annex to illustrate different ratings for the length of the longest filament L and the most frequent filament length M.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Évaluation
  • 5 Expression des résultats
  • 6 Rapport d'essai
  • Annexe A Exemples illustrant la longueur du filament le plus long L et la longueur la plus fréquente M des filaments
  • Bibliographie
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