A coated paper for copperplate printing. According to different uses, it can be divided into single-sided coating or double-sided coating. There are plain paper and roll paper. The basis weight is generally 70 ~ 150g/m2, and double-sided coating is also 180 ~ 250g/m2. The paper is uniform and dense, with high whiteness (above 85%), smooth and high gloss, and the coating is firm and consistent, which is convenient for obtaining exquisite and clear patterns and characters after printing. The coated base paper is made of bleached chemical wood pulp or partially bleached chemical straw pulp on a paper machine. White pigment (also called clay, such as kaolin, talcum powder, calcium carbonate, titanium dioxide, etc. ), adhesives (polyvinyl alcohol, casein, modified starch, synthetic latex, etc. ) and other auxiliary materials (such as gloss agent, hardener, plasticizer, dispersant, wetting agent, opalescent agent, fluorescent whitening agent, toner, etc. ) Mix evenly on the coating machine. Used for advanced art printing, calendars, posters, picture books, color illustrations, book covers and advertising trademarks.

Coated paper is characterized by smooth surface, high smoothness and good gloss. The smoothness of coated paper is generally 600 ~ 1000 s because the whiteness of the coating used is above 90%, the particles are extremely fine, and it is calendered by a super calender. At the same time, the pigment is evenly distributed on the paper, showing a pleasant white color. The requirements for coated paper are high coating strength, thin and uniform coating, no bubbles, and proper amount of adhesive in the coating to prevent the paper from losing powder and hair during printing. In addition, the coated paper should have an appropriate xylene absorption, which can be suitable for fine screen printing above 60 lines /cm.

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: generous (889mm× 1 194mm) and positive (787mm× 1092mm). The price of coated paper is about 5000-6000 yuan per ton, and 200 grams is 889 mm× 65438+.