The appearance of aluminum powder is gray, the medium diameter of aluminum powder is between 1~30μm, the particles are uniform, the distribution is concentrated, the sphericity is good, and the activity is high. The product specifications can be produced or adjusted according to the needs of users; the aluminum pigment produced has strong tinting strength and hiding power. High and clear color, combined with density and white light, it can produce excellent light reflection and good coloration of surface coating. The color is elegant and soft, mainly used as metal pigments for high-end cars, mobile phones, motorcycles, bicycles, etc. In addition, it is also used for the coating of high-grade building surfaces and roofs, which can make the building's color style give extraordinary visual feeling, the decorative effect is gorgeous and beautiful, and it can effectively prevent moisture and corrosion, and ensure the durability of the building.