A type of organic color pigment or toner used in printing inks that are fast-to-light and somewhat transparent, but are dirty in tone. They are widely used in poster and label inks. (See Organic Color Pigments.)
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A type of organic color pigment or toner used in printing inks that are fast-to-light and somewhat transparent, but are dirty in tone. They are widely used in poster and label inks. (See Organic Color Pigments.)