Coated paper has single-sided coated paper, double-sided coated paper, matte coated paper, cloth coated paper. According to the quality, it can be divided into a, B and C. The main raw materials of coated paper are coated base paper and coating. The requirements for coated base paper are uniform thickness, small flexibility, high strength, and good water resistance. The paper surface shall be free of spots, wrinkles, holes, and other paper defects. The coating used for coating is composed of high-quality white pigments (such as kaolin, barium sulfate, etc.), adhesives (such as polyvinyl alcohol, casein, etc.), and auxiliary additives.
Coated paper has flat paper and web paper. The coated base paper is made from bleached chemical wood pulp or partially bleached chemical straw pulp on the paper machine. Based on base paper, white pigment (also known as clay, such as kaolin, talc, calcium carbonate, titanium dioxide, etc.), adhesive (polyvinyl alcohol, casein, modified starch, synthetic latex, etc.), and other auxiliary materials (such as gloss, hardener, plasticizer, dispersant, wetting agent, whitening agent, fluorescent whitening agent, toner, etc.) are evenly coated on the coater It is made by drying and super calendering. The paper is uniform and compact, with high whiteness (more than 85%), smooth surface, high gloss, and consistent coating.
Coated paper is one of the main papers used by printing plants. Coated paper is commonly known, and its official name should be printing coating paper. At present, it is widely used in real life. You can see beautiful calendars, posters sold in bookstores, book covers, illustrations, art books, picture albums, and so on. Almost all of them are coated paper, and a large number of exquisite decoration packages, paper handbags, labels, trademarks, and so on are also used. Coated paper is made of coated base paper after coating and decoration processing. The surface is smooth and fine. The coating can be divided into two sides and one side. The paper can be divided into light and matte coated paper. Common coated paper is divided into a variety of thickness specifications from 105g per square meter to 350g per square meter. In the sales of coated paper, sheet size is generally divided into two sizes: large size (889mm × 1194mm) and medium-size (787mm × 1092mm)