| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a colored aggregate, capable of equalizing particle diameters of the aggregate mixed together with a clear coating so as not to deteriorate an excellent color tone of natural stone in an outer wall material for houses, by contriving the method in which the aggregate is colored. SOLUTION: A composition for coloring the aggregate colors the aggregate so as to make the colored aggregate used for the clear coating, wherein the composition for coloring the aggregate comprises an acrylic resin containing carboxyl groups, a polyfunctional aliphatic epoxy compound, and a coloring pigment. COPYRIGHT: (C)2004,JPO
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