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Request a documentSUNBRITE® Red 4 is an organic beta‑naphthol red pigment supplied as a dry powder for use in printing ink formulations. It is particularly recommended for water‑based systems and gravure and flexographic printing, offering good colour strength, good transparency, excellent dispersibility, and stable rheological behaviour. The pigment provides consistent visual performance with good light fastness and a long shelf life, supporting reliable processing in commercial and industrial printing applications.