Coated paper is one of the main papers used in printing houses. Coated paper is commonly known as printed coated paper. It is widely used in current real life. Almost all the beautiful calendars you see, posters sold by bookstores, book covers, illustrations, art books, picture books and so on. They are all coated paper, and they are also widely used in beautifully decorated packaging, paper handbags, labels and trademarks. Coated paper is paper coated and decorated on the base paper. Its surface is smooth and meticulous, which can be divided into two sides and one side. Paper can be divided into glossy paper and matt coated paper. Commonly used coated paper is divided into various thickness specifications from 105g/ m2 to 350g/m2. In the sale of coated paper, the size of single sheet paper is generally divided into two sizes: wide (889mm× 1 194mm) and moderate (787mm× 1092mm). The price of coated paper is about 7000 ~ 7500 yuan per ton, a 200-gram piece of 889 mm× 10.

Before the forties, the quality of lithography was still very low. In order to copy advanced paintings such as classical oil paintings, this kind of paper is mainly used for printing on screen-printed color copper plates (relief plates), and the name of coated paper has been used to this day. The quota is 100, 120, 150, 180, 200 and 250g square meters, and the flat packaging specifications are 787× 1092 (mm) and 880×/kloc-. Coated paper is coated on the base paper. The base paper is made of 100% bleached chemical wood pulp or partially bleached straw pulp. The paint used is mainly composed of white pigments such as barium sulfate, kaolin and titanium dioxide, binders such as casein and gelatin, and auxiliary materials such as beeswax and glycerin. It was coated on the base paper by a coater, dried and super-calendered. Coated paper can be coated on one side or on both sides. Coated paper has white and smooth surface, high smoothness and good whiteness, and is suitable for printing high-grade printed materials such as color picture books, exquisite pictures, advertising trademarks and color illustrations. Domestic manufacturers of coated paper mainly include Shanghai Gorgeous Coated Paper Factory.