| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for forming a coating film on an aluminum product, by which a double layered coating film with reliable corrosion resistance, weatherability and superb design properties can be obtained and no organic solvent is discharged at all despite a double layered coating film forming step. SOLUTION: A thermoset epoxy resin powdery primer coating material (1), at least one kind of a thermoset powdery luster color base coating material (2) containing a sheening agent selected from the group consisting of a resin- coated aluminum flake pigment, a colored aluminum flake pigment, a mica pigment, a metallic titanium flake, an alumina flake, a silica flake, a graphite, a stainless flake and a plate-like iron oxide and a thermoset powdery clear coating material (3) are applied for powder coating in that order, on the surface of an aluminum product. Thus the bright double layered coating film is formed.
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