This document specifies a test procedure for assessing the scratch resistance of organic paint coatings, in particular paint coatings used in the automotive industry (i.e. for assessing their car-wash resistance). Machine-based washing is simulated in the laboratory environment using a rotating brush and synthetic dirt. The test conditions have been designed to be as close as possible to the real conditions in a car-wash. If the test parameters are suitably chosen, the method can also be used for testing protective plastics films and plastics components.
This document specifies a test procedure for assessing the scratch resistance of organic paint coatings, in particular paint coatings used in the automotive industry (i.e. for assessing their car-wash resistance). Machine-based washing is simulated in the laboratory environment using a rotating brush and synthetic dirt. The test conditions have been designed to be as close as possible to the real conditions in a car-wash. If the test parameters are suitably chosen, the method can also be used for testing protective plastics films and plastics components.
L'ISO 20566:2013 décrit une méthode d'essai permettant d'évaluer la résistance à la rayure des systèmes de peinture organiques, et plus particulièrement des surfaces peintes pour l'industrie automobile (résistance sur un poste de lavage automobile). Elle est destinée en priorité à distinguer différents systèmes de revêtements. Un lavage mécanique effectué à l'aide de brosses rotatives est simulé en laboratoire en utilisant une boue synthétique. Les conditions d'essai ont été conçues de manière à se rapprocher le plus possible des conditions réelles d'un poste de lavage automobile. Si les paramètres d'essai sont adaptés, la méthode d'essai peut également être appliquée pour évaluer des feuilles plastiques.
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