| 摘要 |
Provided is a coloring agent composition which is a powder comprising a pigment, burnt gypsum and amorphous silica, can be added to a gypsum-containing raw material powder that constitutes a gypsum product, and can be used for coloring the gypsum product. A method for producing the coloring agent composition involves a first step of mixing a pigment, burnt gypsum and amorphous silica together to produce a powder mixture. The use of the coloring agent composition enables the easy production of a powder having an excellent coloring property and a gypsum product such as a cured article. |
