NF EN 13523-14
NF EN 13523-14

NF EN 13523-14

March 2023
Standard Current

Coil coated metals - Test methods - Part 14 : chalking (Helmen method)

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Main informations

Collections

National standards and national normative documents

Publication date

March 2023

Number of pages

10 p.

Reference

NF EN 13523-14

ICS Codes

25.220.60   Organic coatings
87.020   Paint coating processes

Classification index

T37-001-14

Print number

1

European kinship

EN 13523-14:2023
Replaced standards (1)
NF EN 13523-14
NF EN 13523-14
July 2014
Standard Cancelled
Coil coated metals - Test methods - Part 14 : chalking (Helmen method)

La présente partie de la NF EN 13523 décrit le mode opératoire permettant de déterminer objectivement le farinage d'un revêtement organique appliqué sur un subjectile métallique, résultant d'un vieillissement naturel ou artificiel. L'avantage du présent mode opératoire de mesurage du farinage d'un revêtement organique est de permettre la lecture immédiate des résultats sur un instrument. Un jugement subjectif par comparaison visuelle des éprouvettes d'essai avec les éprouvettes témoins n'est pas nécessaire. Des résultats reproductibles ne peuvent être obtenus que par une exécution soigneuse de l'essai. Une attention particulière doit être apportée à la qualité du ruban adhésif et à son application sur la surface d'essai. Cette méthode d'essai ne s'applique pas aux revêtements emboutis.

Table of contents
  • Avant-propos européen
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Principe
  • 5 Appareillage
  • 6 Échantillonnage
  • 7 Éprouvettes
  • 8 Mode opératoire
  • 9 Expression des résultats
  • 10 Fidélité
  • 11 Rapport d'essai
  • Bibliographie
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