The surface of coated paper is white, smooth and smooth, with high smoothness and whiteness. It is a high-grade printing paper made of white paper coated with base paper. Coated paper is one of the main papers used by printing factories. Coated paper is commonly known as the official name should be printing coated paper. And it is commonly used in real life at present. The beautiful wall calendars, posters sold in bookstores, book covers, illustrations, etc. are almost all coated paper. It is mainly used to print the cover and illustration art paper of high-grade books and periodicals. There are single-sided art paper, double-sided art paper, matt art paper, and cloth art paper. According to the quality, it is divided into A, B, and C. 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 paper in the sale of coated paper is generally divided into two sizes: large (889mm × 1194mm) and medium (787mm × 1092mm). In the past, the quality of lithographic printing at that time was still low, copying advanced paintings such as classical oil paintings, mainly using this paper to print on photographed screen color copperplate (relief). The basis weight is 100, 120, 150, 180, 200 and 250 grams square meters, and the flat sheet packaging specifications are 787 × 1092 (mm) and 880 × 1230 (mm). Practical Spoon,Violent Little Bear Spoon,Household Cake Dessert Spoon,Creative Cartoon Spoon Fork Huayao Master (Puyang) Automation Equipment Co., Ltd. , https://www.huayaomaster.com
The main raw materials of coated paper are coated base paper and paint. The requirements for the base paper of the copperplate are uniform thickness, small stretchability, high strength and good water resistance. The paper surface is not allowed to have spots, wrinkles, eye holes and other paper diseases. 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. of. This kind of paint with high fluidity and high solid content is coated thinly and evenly on the base paper by the coating machine, and then dried, rolled into a roll on the reel, and sent to the super calender Finishing, final cutting, paper selection and packaging.
The cloth coated paper is pressed with an old blanket. In addition to the smoothness and high whiteness of the paper, the printed graphics and pictures have a three-dimensional effect. Therefore, this coated paper can be widely used to print pictorials, advertisements, Landscape paintings, exquisite almanacs, figure photographs, etc.