Ultramarine is a blue inorganic pigment, with its unique red light occupies a place in blue pigments. Ultramarine products are extremely versatile. In the aspect of coloring, it is used for blue paint, coating, rubber, ink, tarpaulin, color painting and blue paint for building exterior walls. In the aspect of whitening, it is used for papermaking, soap and washing powder, starch, white products and civil wall painting, etc.
