Ultramarine blue is an inorganic pigment whose colour has been classified as pigment blue 29, c.I. 77007 by the colour index system. Chemically it is a sodium alumino-sulphosilicate. This pigment is the synthetic form of lazurite. Ultramarine blue pigment has excellent heat resistance (350ºc), light and weather resistance. Because we have used the special processing technology, the free sulphur residual quantity achieves the ultra low levels. Our ultramarine does not migrate. High-grade ultramarine blue molecular structure is very stable giving excellent dispensability. High-grade ultramarine blue grain-size distribution is even to favor the disperser and the coloration extremely. Ultramarine blue is non-toxic, it is a safe pigment both in processing and in final use, with excellent safety record In the market place. Approved by the most demanding regulations (usa, europe, japan) for uses in which safety is a must e.G. Food packaging, toys, cosmetics. Pigmnt ultramarine has excellent alkali resistance; acid-resistant types h4011 can be also used in acid media. Main fields of application for ultramarine blue pigment is mainly in these field such as textile, leather coating, plastics & rubber, paints & coatings, cement and construction materials, soaps & detergents, toiletries and cosmetics, artists colours, inks, paper. 25 kgs. Bag