Pigments are finely powdered colored substances that are generally insoluble in water, oil, and solvents, but can be uniformly dispersed within them. Pigment is the secondary film-forming material of color paint. Pigment is often used to prepare primer, putty and wood coloring in the process of wood decoration. Opaque paint has certain colors and covering power due to the addition of pigments in its coating. At the same time, pigments can enhance the durability, weather resistance, wear resistance, and other properties of the coating film Dyes are different from pigments in that they are colored substances that can dissolve in liquids such as water, alcohol, oil, or other solvents. Dye solution can penetrate into wood and undergo complex physical and chemical reactions with the components of wood (cellulose, lignin, and hemicellulose), which can color wood without blurring its texture and dye it into a bright and firm color



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