... printing ink, rubber, dyeing, etc. Ultramarine BlueUltramarine Blue C.I. NO.: Blue 29 Min.order: 25kgs Usage: used in ... ink, rubber, dyeing, etcUltramarine Blue is an inorganic pigment. It is bright blue powder, which can eliminate the yellow shade ... knitting industry, paper, detergents and so on.SPECIFICATION:Appearance: Blue powderPurity(%): 99minHeat Resistance (°C): 280-300Volatile content(%): 0. ...