Ultramarine Blue (C.I.PB 29,acid blue 29) Min.order: 25kgs Usage: used in painting, printing ink, rubber, dyeing, etc Technical Data ... fastness to lightNo migratory.Safety and innocuous.APPLICATIONS:Usage: used in painting, printing ink, rubber, dyeing, etc.Ultramarine Blue is ... an inorganic pigment. It is bright blue powder, which can eliminate the yellow shade of white matter, alkali, heat ...