Symuler Brilliant Carmine 6B 368SD 4B acid. Ca 5281-04-9 Dainippon Ink and Chemicals, Incorporated (DIC) Color pigment & dye Inks >> Water-based INKS >> Lithographic and Offset Inks INKS >> Flexographic inks INKS >> Gravure 4B acid. Ca. Used in offset, gravure and flexographic inks. 4B acid. Ca. Used in offset, gravure and flexographic inks.