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Selection of papers

  have different printing methods, and must be used according to the printing process requirements and features to choose the appropriate paper. Published here are some commonly used paper specification introduction, reference:
/> letterpress paper relief of paper using letterpress books, magazine of the main paper. Apply to important work, scientific books, academic journals and college textbook text paper. Relief of paper according to the different material composition of paper, can be divided into, 1th, 2nd, 3rd and 4th in four levels. Signed on behalf of the paper paper degree of good or bad, worse the bigger paper number.
gravure printing paper is primarily used for letterpress printing. This paper and newsprint are similar, but not exactly the same. Uniform relief of paper fibre, and spaces between the fibers and a certain amount of filler and glue filled and bleached, which formed the paper for printing has good adaptability. Its newsprint ink absorption than good, but it has a uniform ink absorption characteristics of water resistance and the whiteness of the paper are better than newsprint.
relief of paper with homogeneous, lint-free, slightly elastic, opaque, slight water resistance, a certain mechanical strength and other characteristics.
weight: (49-60) ± 2G/m2
flat paper specification: 787x1092,850x1168,880x1230; there are special size of paper
roll paper specifications: length width 787,1092,1575

newsprint/> newsprint or newsprint, the main paper of the newspaper and book. For newspapers, periodicals, books, comic books and other text paper. Characteristics of newsprint: paper light pine, has a good elasticity; good ink absorption properties, which ensures the ink well fixed on paper. After calendering of paper both sides smooth, lint-free, imprinted on both sides so that clear and full; have some mechanical strength; good opaque properties; suitable for high speed Web printing.
this paper is based on mechanical pulp (or other chemical pulp) as raw material to produce, contains large amounts of lignin and other impurities, not suitable for long-term storage. Save time too long, yellowed paper be brittle, poor water resistance, not writing. You must use the printer ink or ink books, not high viscidity, offset printing must strictly control panel moisture.
weight: (49-52) ± 2G/m2
flat paper specification: 787x1092,850x1168,880x1230
roll paper size: width 787,1092,1575; length of about 6000m-8000m
print is intended primarily for the offset (offset) printing presses or other more advanced color printing press used, as illustrated in color, pictures, posters, Color printing trademark and some advanced book covers, illustrations, etc.
offset paper pulp material ratio is divided into cutter, 1TH and 2nd, 3rd, and be divided into single and double sided, there are two super calendar with ordinary light.
scaleslinearlywith small, good for uniform ink absorbency, smoothness, close the opacity, whiteness and good, strong water resistance, should select the conjunctival offset printing ink and high quality letterpress printing ink. Ink viscosity also should not be too high, otherwise it may cause shedding, picking. To prevent sticking on the back, the general use of dirty, powder or BR.
weight: 50,60,70,80,90,100,120,150,180 (g/m2)
flat paper specification: 787x1092,850x1168,880x1230
roll paper size: width 787,1092,850
paper, also known as coated paper, this paper is coated with a layer of white paste, made by calendering. Surface smooth, high brightness, paper fiber uniform distribution, thickness, small scale, has good flexibility and a strong sense of smooth surface, high brightness, paper fiber uniform distribution, thickness, small scale, has good elastic and strong water resistance and tensile properties, ink absorption with the receiving State are very good. Coated paper is mainly used for printing pictures, covers, postcards, fine product samples and color marks, and so on. Copperplate printing pressure should not be too big, to use offset printing ink light ink resin. To prevent sticking on the back, adopted to prevent dirty agent, powder, and so on. There are single and double types.
weight: 70,80,100,105,115,120,128,150,157,180,200,210,240,250 (g/m2)
: 105,115,128,157 (g/m2) imported paper and specifications
flat paper specification: 648x853,787x970,787x1092 (currently there is no Web).
889x1194 imported coated art paper specifications 5. painting newspaper
painting newspaper texture of fine white, smooth, used for printing posters, brochures and posters.
weight: 65,90,120 (g/m2)
flat paper specification: 690x960,787x1092
written paper cover paper writing paper, printing paper for book covers. Writing paper, paper-making and paint with gray, blue and beige color.
weight: 80,100,120 (g/m2)
flat paper specification: 690x690,787x1092
7. embossed paper
embossed paper is specializing in the production of decorative paper and a cover. Paper surface has a very clear pattern. Color grey, green, yellow and pink color, generally used for printing monochrome cover. Embossed paper on his knees, when bound to crack the spine. Paper when printing larger curvature, in paper, printing efficiency.
weight: 120-40g/m2
flat paper specification: 787x1092

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