1. Primarily used for coloring inks, paints, plastics, rubber, and stationery items. 2. Suitable for various solvent-based paints, plastic inks, gravure inks, and quick-dry inks. 3. Stable β-type greenish blue with good dispersion and high hiding power, used in alkyd resin paints. 4. Used for coloring inks, paints, plastics, rubber, paint pigments, and synthetic fiber slurries. 5. Non-stable α-type redish blue with strong coloring power, suitable for latex and water-based coatings. 6. Used in manufacturing peacock blue inks for coloring alkyd paints, as well as for plastics, stationery, and other items. 7. Used for coloring paints, spray paints, inks, plastics, and rubber. 8. Mainly used for coloring inks, printing inks, paints, watercolor paints, oil paints, and printing inks, as well as for rubber and plastic products. 9. A major type of blue pigment, primarily used as a coloring agent in adhesives. The particle size for actual application is generally 0.01 to 0.1 μm, and a particle micronization process is required. The purpose of pigment processing is to alter crystal structure and reduce particle size, with methods including acid treatment and salt grinding. Mainly used in the ink industry for manufacturing peacock blue inks, which is a major type of four-color process inks. In the paint industry, it is used for coloring alkyd magnetic paints, amino baking paints, nitrocellulose paints, and transparent paints. Also used for coloring plastics, rubber, stationery, canvas, and printing inks.