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Durability of powder-coated hot-dip galvanized steel / H. G. J. M. Verstappen in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 74, N° 930 (07/2002)

Titre :	Durability of powder-coated hot-dip galvanized steel
Type de document :	texte imprimé
Auteurs :	H. G. J. M. Verstappen, Auteur ; S. J. van Susteren, Auteur ; W. J. van Ooij, Auteur
Année de publication :	2002
Article en page(s) :	p. 43-54
Note générale :	Bibliogr.
Langues :	Américain (ame)
Tags :	Etude expérimentale Durabilité Zingage immersion Acier galvanisé Peinture anticorrosion poudre Revêtement non métallique Matériau revêtement Protection corrosion
Index. décimale :	667.9 Revêtements et enduits
Résumé :	In this study, the quality and durability of powder-coated hot-dip galvanized products have been investigated. Standard steel coupons hot-dip galvanized in conventional and delta (i.e., high temperature) conditions were coated with powder paint systems or a high quality solvent-based system and then subjected to a wide range of test methods representing mild or highly aggressive exposure conditions. Additional variables in the project were the silicon content of the steel and the treatment prior to painting. The use of delta-galvanized steel as a base for painting offers a number of advantages such as much greater hardness and improved paint adhesion. Maximum corrosion protection is observed if the galvanized base is treated with chromate and sequentially powder coated with an epoxy primer followed by a polyester topcoat.
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