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The characteristics and use of coated paper

[ Time:2017-04-21 Click:879 ]

The feature of coated paper

Coated paper is very smooth,high gloss.Because the paint used by the brightness of more than 90%,and the particles are very fine,and after the super calendering, so the smoothness of coated paper is generally 600 ~ 1000s. At the same time,the paint is very evenly distributed on paper and show pleasing white. The requirements for coated paper is thin and uniform coating, no bubbles, the amount of adhesive in the paint appropriate to prevent the printing process of paper off powder, in addition, coated paper p-xylene absorption should be appropriate.

 

The application of coated paper

In the current real life,coated paper is very common. Such as beautiful calendars, posters selling posters, books on the cover, illustrations, art books, pictures,electronic products printed on the instructions in the factory, almost all of the coated paper, the fine decoration of the packaging, paper handbag , Stickers, trademarks, etc. also use a lot of coated paper. Commonly used coated paper is divided into 70 grams per square meter to 350 grams per square meter of a variety of thickness specifications.

 

Coated paper classification

Coated paper with single-sided coated paper, double-sided coated paper, matte coated paper, cloth pattern coated paper.According to the quality is divided into A, B, C. The main raw material for coated paper is copperplate paper and paint. Copper plate on the requirements of the thickness of uniform, scalability, high strength, good water resistance. Paper surface shouldn’t have kaolin, barium sulfate, etc.), adhesives is components of high grade white pigment(such as polyvinyl alcohol, casein, etc.) and auxiliary additives and others.

 

Composition of coated paper

Coated paper with flat paper and roll paper. The copperplate base paper is made of bleached chemical wood pulp or with partially bleached chemical straw. (Polyvinyl alcohol, casein, modified starch, synthetic latex, etc.), and other auxiliary materials (such as kaolin, talc, calcium carbonate, titanium dioxide, etc.), adhesive (polyvinyl alcohol, casein, modified starch, synthetic latex, etc.) (Such as gloss, hardener, plasticizer, dispersant, wetting agent, milk whitening agent, fluorescent whitening agent, toner, etc.), uniformly coated on the coater and dried and super-calendering And made. Paper uniform and compact, high whiteness (more than 85%), the paper smooth high gloss, the coating is consistent.

 

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