It is coated paper

Coated paper is one of the main papers used in printing factories. Coated paper is a common name, and its official name should be printing coated paper. It is very commonly used in real life. .The beautiful wall calendars, posters sold in bookstores, book covers, illustrations, art books, picture albums, etc. are almost all made of coated paper, as well as various exquisitely decorated packaging, paper handbags, and labels. It is also widely used in stickers, trademarks, etc. Coated paper is a paper made from coated base paper after coating and decoration processing. The surface is smooth and delicate. The coating is divided into double-sided and single-sided. The paper is divided into glossy and matte. Glossy (matte) coated paper. Commonly used coated paper is divided into various thickness specifications from 105 grams per square meter to 350 grams per square meter. The size of a single sheet of coated paper sales is generally divided into large (889mm × 1194mm), There are two sizes of medium (787mm × 1092mm). The price of coated paper is about 7,000 yuan to 7,500 yuan per ton. The price of a 200-gram large coated paper of 889mm × 1194mm is about 2 yuan.

Before the 1940s, the quality of lithographic printing at that time was still low. To copy classical oil paintings and other high-end paintings, this paper was mainly used to print on photographic screen-colored copperplates (relief plates). The name of coated paper has always been used. Come down. The basis weights are 100, 120, 150, 180, 200 and 250 grams per square meter. The flat packaging specifications are 787 × 1092 (mm) and 880 × 1230 (mm). Coated paper is made of base paper processed by coating. It is made from 100% bleached chemical wood pulp or mixed with partially bleached straw pulp. The coating used is mainly composed of white pigments such as barium sulfate, kaolin, titanium dioxide, and adhesives such as casein and gelatin. It also adds auxiliary materials such as beeswax and glycerin. , coated on the base paper with a coating machine, dried and super calendered. The coating of coated paper can be divided into single-sided and double-sided. The surface of coated paper is white, smooth and flat, with high smoothness and whiteness. It is suitable for printing color albums, exquisite pictures, advertising trademarks, color illustrations and other high-end printed matter. The main domestic manufacturers of coated paper include Shanghai Huali Coated Paper Factory, etc.