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What are the common printing papers

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common printing papers include coated paper, offset paper, kraft paper, trademark paper, etc., as follows:

1. Coated paper

paint pigments, adhesives and auxiliary materials, which are coated on the surface of paperboard by special equipment. After drying and calendering, a smooth and dense coating is formed on the paper surface to obtain coated paper with good surface performance and printing performance. It is mainly used for cigarette boxes, labels, cartons, etc


2. Offset paper

is mainly single-sided offset printing paper. The paper surface is white and smooth, but the whiteness, tightness and smoothness are lower than those of coated paper. Super calendered offset paper has better smoothness and tightness than ordinary calendered offset paper. After printing words and patterns, it can be pasted with yellow board paper into a carton

3. Trademark paper

trademark paper has white surface and good printing performance. It is used to make trademark signs

4. Kraft paper

includes box board paper, cement bag paper, high-strength corrugated paper and brown paperboard. Kraft paper is a kind of high-strength packaging paper with tough texture, high strength and yellowish brown paper surface, which is made of softwood kraft pulp. From the appearance, it can be divided into single-sided light, double-sided light, striped, non striped and other varieties, with slightly different quality requirements

5. Corrugated paper

corrugated paper is pressed into corrugated shape in the production process. After it is made into corrugated board, it will provide the elasticity and flat compression strength of the board, and affect the vertical compression strength and other properties. For corrugated paper, the paper surface shall be flat and the thickness shall be consistent, and there shall be no paper diseases such as wrinkles, cracks and holes, otherwise it will increase the broken end fault in the production process and affect the product quality

1. Offset paper (Daolin paper)
offset paper, according to the matching score: special size, No. 1 and No. 2, there are single-sided and double-sided, as well as super calendering and ordinary calendering. Paper weight: 50, 60, 80, 100, 150 (g /㎡), etc. Commonly used double-sided offset paper includes 70, 80, 100 and 120 (g /㎡), and single-sided offset paper includes 50, 60 and 80 (g /㎡)
offset paper has small flexibility, good smoothness, compact texture and strong water resistance. Used for packaging and decorating prints. For offset paper, the paper should not be piled too high to prevent the back from sticking dirty. Anti Dirt agent and powder spraying shall be used. The viscosity of the ink should not be too high, otherwise it will be de powdered and roughened
purpose: print high-grade color printing materials, such as color pictorial, posters, high-grade book covers, illustrations, etc
2. Coated paper
coated paper, also known as “coating paper”, is made by coating white slurry on the base paper and calendering. High whiteness, consistent thickness, small flexibility, elasticity and water resistance, and good absorption of ink. When printing, the pressure should not be too high. Choose offset resin ink or bright ink to prevent the back from sticking dirty. Add Anti Dirt agent, powder spraying and other methods
purpose: print album, cover, exquisite product samples and color trademarks
3. White paper
outer packaging paper, for trademarks and packaging cartons, with weight of 220250300350 (g /m2); Flat paper specification: 787 × 787、787 × 1092、1092 × 1092(mm)。
it is composed of lining paste + surface paste, which is divided into powdered white version and ordinary white version according to paper surface. According to the bottom layer: gray bottom and white bottom. Quality requirements: white, consistent thickness, firm quality, small expansion, toughness, and no fracture during bending
purpose: printing packaging box, commodity decoration lining paper. The inner seal of simple hardcover books and the diameter paper in hardcover books
4. Letterpress paper
letterpress paper is used for letterpress printing of books and magazines. According to the material ratio, it is divided into four levels. The larger the number, the worse the paper. Paper weight: (49 ~ 60) ± 2 (g /m2); Flat paper specification: 787 × 1092,850 × 1168,880 × 1230(mm); Web size: width 78710921575 (mm) and special size paper
letterpress paper has uniform texture, slight elasticity, opacity, certain mechanical strength, etc
purpose: important works, academic journals, college and technical secondary school textbooks, etc
5. Newsprint
is used for newspapers and books. Features: the paper is light and elastic. The ink is fixed on the paper without fuzzing, making the imprint clear and full; Suitable for high-speed rotary printing. Weight: (49 ~ 52) ± 2 (g /m2), flat paper specification: 787 × 1092,850 × 1168,880 × 1230 (mm), web size: 78710921575 (mm). Mechanical wood pulp is used as raw material, which should not be stored for a long time. If it is too long, it will turn yellow and brittle, with poor water resistance, and should not be written
purpose: paper for the text of newspapers, periodicals, textbooks, comics and so on
6. Embossed paper
embossed paper, cover decoration paper. There are indistinct patterns on the surface of the paper. Color: gray, green, pink, etc. the cover is printed in monochrome, and the spine is easy to break when binding. Large bending, difficult paper feeding, affecting the printing efficiency
7. Kraft paper
kraft paper has high tensile force, including single light, stripe, no grain, etc
purpose: wrapping paper, envelope, paper bag and printing machine drum lining, etc
8. Other papers
Draw newspapers with fine white and smooth texture
purpose: print pictorials, brochures, posters, etc
the book cover paper is used for printing the book cover. It is added with pigment, including gray, blue, beige and other colors
post Feng paper, printing all kinds of carbon copies and printing and packaging paper.

paper jam, coated paper, special paper

coated paper: the surface is coated and polished to increase smoothness and luster. It has high whiteness and low ink absorption. It can reflect all colors in the spectrum and obtain the best effect. It has small flexibility. It is suitable for color printing. It is also divided into single copper (one side is coated and polished), double copper, matte copper and other types (matte coated paper is both matte paper and more expensive than coated paper). The common gram weights are 80g, 105g, 115g, 128G, 157G, 180g, 200g, 250g, etc
offset paper: also known as forest paper. The surface brightness is not as high as coated paper, the ink absorption rate is relatively strong, the color is slightly dark, and the ink is not easy to dry. The common gram weight is 50g, 60g, 70g, 80g, 90g, 120g, 150g, 180g, etc
white cardboard: it has small flexibility, toughness and is not easy to break when folded. It is mainly used for printing business cards, packaging boxes and commodity decoration lining paper. In book binding, it is used for the inner seal of hardcover books and binding materials such as diameter paper (ridge strip) in hardcover books. The common gram weights are 220g, 240g, 250g, 280g, 300g, 350g, 400g, etc
light paper: also known as Mengken paper. Good texture and loose thickness, folding resistance, high opacity and light paper. The color is similar to the primary color of wood pulp, giving people a simple and natural feeling. Reading for a long time will not cause visual fatigue. Because there is no coating or the coating amount is low, the reflectance is not high and the absorption capacity of ink is strong. Publishing houses often use paper. The common gram weight is 55g, 60g, 70g, 80g, 100g, etc
newsprint: also known as white newspaper. It is the main p
aper for newspapers and books. It is suitable for the printing of newspapers, periodicals, textbooks, comics and so on. The weight is about 50g
light coated paper: also known as light coated paper. It is commonly used in supermarket leaflet /DM /newspaper folder, with low cost and soft feel. The common gram weight is 64g, 70g, etc
kraft paper: with high tensile force, it can be divided into single light, double light, stripe, no grain, etc. The color is white and yellowish brown, which is mainly used for packaging paper, envelopes, paper bags, etc
sulfuric acid paper: transparent, suitable for single-sided spot color printing. It is brittle and has various colors. It can be used to heat anodized aluminum
special purpose paper or reference paper
the editor of Dongguan Hongda printing network specially sorted out the basic characteristics and applications of coated paper, offset paper, white cardboard, light paper, newsprint, light coated paper, kraft paper, sulfuric acid paper and special paper for netizens to exchange and learn.

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