印刷用纸规格(国外英文资料).docVIP

印刷用纸规格(国外英文资料) Letterpress paper is the main paper used in letterpress printing of books and magazines. It is suitable for the main text, scientific and technical books, academic journals, teaching materials and so on. Letterpress paper according to the composition of the paper, the composition of the different, can be divided into 1, 2, 3 and four grades 4. The paper represents the quality degree of paper number, the greater the number of paper is worse. Letterpress printing paper is mainly used for letterpress printing. The properties of this paper are similar to those of newsprint, but not quite the same. As with the slurry ratio of pulp material beating are better than newsprint, fibrous tissue letterpress paper is uniform, and the gap between the fiber has been a certain amount of filler and rubber filled, and also after bleaching, the formation of this paper has good adaptability for printing. Slightly different from newsprint, its ink absorption is not as good as newsprint, but it has the characteristics of ink absorption uniformity, water resistance and white paper is better than newsprint. Letterpress paper has a uniform texture, no fluff, slightly elastic, opaque, slightly water-resistant, has a certain mechanical strength and other characteristics. Weight: (49~60) + 2g/m2 Flat paper specifications: 787 * 1092850 * 1168880 * 1230; there are some special sizes of paper. Reel size: width 78710921575; The length is about 6000 ~ 8000m Newsprint is also called white newspaper. It is the main paper used for newspapers and books. It is suitable for newspapers, periodicals, textbooks, comics and other body paper. The features are: newsprint paper loose light full of good elasticity; good ink absorption, which can ensure the ink of the relatively fixed on paper; paper compressed after both sides of the smooth, lint free, so that both sides were relatively clear and full; mechanical strength; opaque performance; suitable for high-speed rotary printing machine. This