Kansai Paint Company, Ltd.

Masashi Kanda

Haruyuki Gontani

Naoto Yanagidate

This invention provides a method for forming a multilayer coating film, the method comprising forming a multilayer coating film that has excellent blackness, high reflectance of an infrared laser, and excellent coating film performance. The method for forming a multilayer coating film includes forming a first colored coating film containing a titanium oxide pigment, in which the diffuse reflectance at a wavelength of 905 nm or diffuse reflectance at a wavelength of 1550 nm, or both, is 40% or more; forming a second colored coating film containing at least one pigment selected from the group consisting of (A1) a perylene black pigment, (A2) a black metal oxide complex pigment, and (A3) two or more pigments selected from the group consisting of blue pigments, red pigments, yellow pigments, and green pigments; forming a third colored coating film containing a carbon black pigment; and forming a clear coating film; wherein the multilayer coating film has a lightness L*(45&#xb0;) of 3 or less and a chroma C*(45&#xb0;) of 1 or less, and wherein the diffuse reflectance at a wavelength of 905 nm or the diffuse reflectance at a wavelength of 1550 nm of the multilayer coating film, or both, is 10% or more.

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Kanagawa, Japan

Masashi Kanda