Ultramarine blue

Ultramarine blue is an Obtained by calcining a mixt. of kaolin, sulfur, sodium carbonate, and carbon above 700 C to form a complex sodium aluminum sulfosilicate Ultramarine blue uses and applications include: Pigment for printing inks, thermoplastics, rubber compds., toys, paints, soaps and laundry blues, cosmetics, textile printing, artists colors, copy paper, cement, chalk markers, billiard cue chalk, leather finishing, roofing granules, wax pencils, linoleum; colorant for foods; whitener for salt and sugar; in food-contact textiles Suggested storage of Ultramarine blue: Weak hygroscopicity; store in dry area away from acids