METHOD OF FORMING COATING FILM ON ALUMINUM SUBSTRATE

摘要

A method of forming a coating film on an aluminum substrate, which comprises: a step (1) in which a brightening base coating material (a) which is a thermosetting polyester resin powder coating containing a brightening agent is applied to a surface of the aluminum substrate and baked; and a step (2) in which a clear coating material (b) which is a thermosetting acrylic resin powder coating is applied thereon and baked to form a bright multilayered coating film.