Abstract
n general, the evaluation of automotive coatings appearances favors (is considered preferentially) more than chemical and physical properties. Therefore, its improvement is most required. Studying appearance by means of QMS-BP technique, in which it measures some of the most important coating appearance factors, such as: the specular gloss, distinctness of image (DOI) and orange peel. In this article the influence of variation in the primer properties, such as thickness, roughness and gloss on the appearance of final coating system for two different primer types was studied. Results showed that increase in specular gloss would cause the intensification of NAP (Niveau d’Aspect Peinture) values, while increase in thickness and roughness would decrease it. Prog. Color Colorants Coat. 2(2009), 79-86. © Institute for Color Science and Technology.
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