Ultramarine pigments are the oldest and most vivid blue paint, non-toxic, environmentally friendly, it is an inorganic pigment category. It is used to mention white, remove white paint or other white pigment in the yellow light, insoluble in water, alkali, high temperature, in the atmosphere of the sun and wind and rain erosion is extremely stable, but not acid, acid decomposition case of color. Ultramarine (English name: Ultramarine) is a blue inorganic pigment, with its unique place in the red blue pigment. Ultramarine products are extremely versatile. In the colored square and for the blue paint, coating, rubber, ink, linoleum, painted building facades and blue paint brush in terms of lifting the white for paper, soap detergent, starch, white goods and civil whitewashing like. Character: bright color ultramarine blue powder that can eliminate yellow shade of white substance, alkali, heat, light, case of acid decomposition fade, do not dissolve in water. Ultramarine is an inorganic pigment. The mixing of sulfur, clay, quartz, carbon, etc. into firing. Uses: ① colored areas: used in paint, rubber, printing, ink, painting, architecture. ② mention white areas: for painting, knitting industry, paper, detergents and the like. ③ special painting: with ultramarine powder were added to blend oil, glue and propylene can be made separately painting, watercolor, gouache and acrylic painting pigments. Ultramarine belong to mineral pigments, transparent, hiding weak light and lightness, not suitable for painting a very dark tone. But for decorative colors, especially in the use of ancient Chinese architecture is very common.