ALUMINUM FLAKE PIGMENT, COATING COMPOSITION CONTAINING THE SAME, INK COMPOSITION AND COATING FILM THEREOF

摘要

PROBLEM TO BE SOLVED: To provide aluminum flake pigment having plating-like appearance excellent in metal gloss and having fine texture and silver-like high-class feeling. SOLUTION: This aluminum flake pigment is obtained by grinding aluminum powder in an organic solvent and has 0.025μm to 0.08μm average thickness (t) and 8μm to 30μm average particle diameter (D50 ). The aluminum powder is preferably produced by an atomizing method. A ball mill is preferably used as a grinder for carrying out the grinding.