Ultramarine blue isa deep blue pigment that has been a historically rare and costlypigment. In its natural form, the blue is made from ground lapislazuli, which a unique stone is found in very few parts of theworld. The pigment can, however, be crafted synthetically. Thechemical compound that makes up ultramarine blue consists mainly ofa double silicate of sodium and aluminum.

purpose:

1.Coloring: in paint, ink, leather, rubber, plastic, pigment,cosmetics etc.

 2. Whitening:eliminate the yellow tint from white products

 3. ColorMarching: The mix of ultramarine in dark or grey can make thosecolors softer.

superiority:Good dispersion, favorable price, quick delivery,soon response