Ultramarine is the most commonly used blue earth pigment. It is a kind of sulphur
   compound of aluminous silicate, which has a crystal structure   associated with celestite.
  So it has very bright light and pure color.

           Ultramarine is the most suitable powdered coating. The results of a   ntiweatherability in
  many applications show our High-Grade Pigments   ultramarine is very good in the powdered  coating.