Ultramarine is inorganic pigment，common name is stone green.

Ultramarine is blue pigment，which has the longest history and most bright-colored ，no contaminate，environment protection，it belongs to inorganic pigment。
1.MolecularFormula: Na₆Al6Si6S₄O24
Color code: Pigment Blue 29 – 77007
CAS No.: 57455-37-5
TSCA: id.
EINECS: 3.099.283
2.Character: ultramarine is blue powder with bright color, can eliminate the yellow light in the white material, alkali, heat, light, case of acid decomposition fade, do not dissolve in water. Ultramarine is a kind of inorganic pigment. It is mixed by sulfur, clay, quartz, carbon and other mixed-firing into.
3.Ultramarine products are widely used in plastics, powder coatings, architectural coatings, decorative paints, printing ink, leather, cosmetics, art plastic, paper and other industries.
4.Applications: Ultramarine blue and purple are widely used in plastic painting. They can Subject to various forms of processing by the performance of their high-temperature resistance: such as extrusion, injection molding, blow molding, calendaring, and other craft tape. They are very suitable for high temperature processes (above 200 degrees), such as polystyrene, polypropylene and ABS. Ultramarine blue can take 5 minutes in 350 degree high temperature in the plastic processing technology,the high temperature performance of Violet's is a bit weak, but can also withstand high temperatures 300 degrees for 5 minutes. In general, the ultramarine pigment in the amount of plastic is 0.1% addition level to 0.5% which can be satisfied with the level of polymer color, for the amount of pigment in the masterbatch production formula be higher, about 50%.