Ultramarine pigments are aluminum silicate sulfur compounds, the composition can be written as Na6AI4Si6S4O20 red light blue. Bright color, heat resistance, light resistance are excellent, good dispersion. Ultramarine has a unique red color blue, the color is very clear, better transparency, completely different from the phthalocyanine blue. Much more blue than phthalocyanine. Ultramarine blue relative to phthalocyanine blue in terms of its tinting strength is much lower, ultramarine blue heat resistance is very good, the heat up to 400 ℃.

Ultramarine blue excellent lightfastness, lightfastness of 7 to 8, ultramarine blue migration resistance is very good, up to 5, ultramarine blue and resistant to a variety of chemicals, but not acid. Ultramarine blue for polyethylene, polypropylene, polystyrene, ABS, nylon, polycarbonate, phenolic resin, amino resin unsaturated resin and other plastic coloring. Ultramarine blue non-toxic, a wide range of experiments proved that the product can be used with food contact rate coloring.

Ultramarine pigments occupy a unique position in blue chromatography, which is the unique hue that other pigments can not replace and mix with. The hue of ultramarine blue, whether it is dark or light color applications, its unique color has been recognized by the people of the world.