1. Primarily used for coloring inks, paints, plastics, rubber, and stationery items. 2. Suitable for solvent-based paints, plastic inks, gravure inks, and quick-dry inks. 3. Stable β-type greenish blue with good dispersion and high opacity, used in alkyd resin paints. 4. Used for coloring inks, paints, plastics, rubber, paint pigments, and synthetic fiber stock. 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 coloring plastic and stationery 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 coloring rubber and plastic products. 9. A major type of blue pigment, primarily used as a coloring agent in adhesives. The particle size for practical application is generally 0.01-0.1μm, requiring a particle micronization treatment. The purpose of pigment processing is to alter crystal structure and reduce particle size, using methods like acid treatment and salt grinding. Mainly used in the ink industry for manufacturing peacock blue inks, which is a major type in the four-color plate printing ink. In the paint industry, it is used for coloring alkyd magnetic paints, amino baking finishes, nitrocellulose paints, and transparent paints. Also used for coloring plastics, rubber, stationery items, canvas, and printing inks.