Coating is a kind of viscous liquid that is coated on the surface of protected or decorated objects and can form a continuous film firmly attached to the coated objects. It is usually made of resin, or oil, or lotion, with or without pigments, fillers, and corresponding additives, and is prepared with organic solvent or water.
The main functions of coatings are protection, decoration, concealing product defects, and other special functions to enhance the value of the product.
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Baixiang County, Xingtai City, Hebei, China