Coated paper in gravure printing press, also known as coated printing paper, is called powder paper in areas such as Hong Kong. It is a high-grade printing paper made of white paper coated with a base paper. The gravure printing machine is mainly used for printing the cover and illustrations of high-end books, color pictures, various exquisite product advertisements, samples, commodity packaging, trademarks, etc.
The gravure printing paper is a flat paper with a basis weight of 70-250 g/m2. Coated paper has single-sided coated paper, double-sided coated paper, matte coated paper, and coated copper coated paper. According to the quality, it is divided into A, B, C and so on. The main raw materials for coated paper are copperplate base paper and paint. The requirements for the copper plate base paper are uniform thickness, small stretch, high strength and good water resistance.
There are no paper spots such as spots, wrinkles, and perforations on the paper surface. The coatings used for coating are composed of high-quality white pigments, adhesives (such as polyvinyl alcohol, casein, etc.) and auxiliary additives. The paint having a large fluidity and a high solid content is uniformly applied to the base paper by a coater, then dried, rolled into a roll on a winder, and sent to a gravure printing machine for calendering. Finishing, final cutting, paper selection, packaging.
This is the introduction of coated paper in a gravure press. Gravure printing machines have the advantages of high efficiency and speed.
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