Inorganic blue pigment. The paint industry is used in the manufacture of pigmented paints to make the whiteness more vivid. The rubber industry is used for coloring, whitening or mixing grass green with yellow pigments for rubber products such as sneaker soles and rubber sheets. It is used in pulp by the paper industry to produce bright white or bluish pulp. The printing and dyeing textile industry is used for printing trademarks of white cotton cloth and knitted fabrics to increase the whiteness of fibers and chemical knitted fabrics. The pigment industry is used for the coloring of oil paints and as a whitening agent for white pigments. The plastic industry is used for coloring, stitching and whitening of plastic products and artificial leather. The construction industry is used for the coloring of cement square tiles and artificial marble. In addition, ultramarine can also be used as an antioxidant for perfluorocarbon resins, as a catalyst for hydrocracking, and as an adsorption of uranium from seawater.