Coated paper box

First of all, you have to know the characteristics of coated paper, and then you can further master its skills.

Features of coated paper:

The characteristics of coated paper are that the paper surface is very smooth and smooth, with high smoothness and good gloss. Because the whiteness of the coating used is more than 90%, and the particles are extremely fine, and it is calendered by a super calender, the smoothness of the coated paper is generally 600-1000s. At the same time, the paint is evenly distributed on the paper and appears pleasing white. The requirements for coated paper are that the coating is thin and uniform, without bubbles, and the amount of adhesive in the coating is appropriate to prevent the paper from de-powdering and fluffing during the printing process. In addition, the coated paper should have appropriate absorption of xylene.Food box

Application of coated paper:

Coated paper is one of the main papers used in printing factories. Coated paper is commonly known as coated printing paper. It is widely used in real life. For example, food packaging boxes, beautiful calendars, book covers, illustrations, picture albums, the product manual printing of electronic appliances in factories, almost all use coated paper, exquisitely decorated packaging, paper handbags, labels, trademarks, etc. Coated paper is also used in large quantities. Commonly used coated paper is divided into various thickness specifications from 70 grams per square meter to 350 grams per square meter. Sushi box

Classification of coated paper:

Coated paper can be divided into single-sided coated paper, double-sided coated paper, matt coated paper and cloth coated paper. According to the quality is divided into A, B, C three grades. The main raw materials of coated paper are coated base paper and paint. The requirements for the coated base paper are uniform thickness, small flexibility, high strength and good water resistance. There should be no spots, wrinkles, holes and other paper defects on the paper surface. 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.

Cupcake box

The composition of coated paper:

Coated paper has flat paper and roll paper. Coated base paper is made from bleached chemical wood pulp or partially bleached chemical straw pulp on a paper machine. With base paper as the paper base, white pigments (also known as clay, such as kaolin, talc, calcium carbonate, titanium dioxide, etc.), adhesives (polyvinyl alcohol, casein, modified starch, synthetic latex, etc.), and other auxiliary materials (such as gloss agents, hardeners, plasticizers, dispersants, wetting agents, opalescent agents, optical brighteners, toners, etc.), uniformly coated on a coating machine, and dried and super calendered made. The paper quality is uniform and tight, the whiteness is high (above 85%), the paper surface is smooth and glossy, and the coating is firm and consistent.Cupcake box