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A dry coloured substance that can be used to give colour to paints, plastics and other materials.
A dry coloured substance that can be used to give colour to paints, plastics and other materials. Pigments are usually fine powders, and insoluble. If they are soluble, the term dye is more often used.
Pigments are usually fine powders, and insoluble. If they are soluble, the term dye is more often used.