Paper 1 1 includes: printing paper, writing paper, drawing paper, drawing paper, electrical insulation paper, cigarette paper, blotting paper, metering paper, photosensitive paper, transfer paper (base paper), industrial technology paper and wrapping paper.
These six kinds of cardboard are: bookbinding cardboard, box-making cardboard, insulating cardboard, industrial technology cardboard, building cardboard and shoemaking cardboard.
Printing paper:
Among the printing papers, there are papers with different properties and characteristics, such as newsprint, letterpress printing paper, offset printing paper, offset printing coated paper, Bible paper, map paper, ocean map paper, gravure paper, weekly newspaper, pictorial paper, whiteboard paper, writing paper and so on.
printing ink
Mainly used for printing newspapers and letterpress books and periodicals. Its paper is soft, elastic and plastic, and has strong ink absorption performance. Ink can be quickly fixed on paper. The paper is continuously pressed by the calender, and the two sides are smooth and not easy to fluff. The printing on both sides is clear and firm, with certain mechanical strength. Suitable for high-speed rotary printing with good opacity. Because the raw materials used are mainly mechanical wood pulp, which contains essential elements and impurities for human body, the paper is not suitable for long-term storage, easy to turn yellow and brittle, with strong water absorption, poor water resistance and easy to be damaged.
Letterpress printing paper
Mainly used for printing anthologies, classic works, general books, textbooks, magazines, etc. Through a relief printing machine. Its characteristics are similar to newsprint, its quality is better than newsprint, its smoothness, water resistance and whiteness are better than newsprint, and its ink absorption ability is not as good as newsprint, but its ink absorption is uniform.
offset paper
Mainly used in lithographic color pictorial, picture album, poster, color trademark and some advanced publications.
Offset paper can be divided into single-sided offset paper and double-sided offset paper, and single-sided bite paper is often used in color posters, cigarette cases, trademarks and so on. Double-sided tape is used to print pictures, illustrations, maps, etc.
Offset paper should be small in elasticity and strong in water resistance, so as to prevent the paper from being deformed and misregistered during multi-color overprinting, and it should be tight in texture, so as to prevent the phenomenon of napping and powdering caused by the adhesion tension of ink during repeated printing, which will make the imprint have white spots and affect the quality of printed matter; The ink absorption should not be too high, which can hinder the penetration of the adhesive in the ink, make the ink dry on the paper to form a film, and ensure the gloss of the printed matter; The surface is smooth, which ensures the authenticity of the imprint, and the paper can't have sand and other sundries to prevent the blanket and printing plate from being damaged.
Offset coated paper
Also known as coated paper. It is made by coating a layer of inorganic coating on the paper coated with base paper and then super calendering. The paper has a smooth surface and high whiteness, and is specially used for offset printing monochrome or multicolor art pictures, illustrations, pictorial, picture books, trade marks, product samples, calendars, etc.
The smoothness of coated paper is very high, and very fine and smooth dots can be obtained when printing, which can better reproduce the level and quality of the manuscript. There should be no peeling and delamination on the paper surface, and the paper should not absorb ink too quickly. Too fast ink absorption will lead to dim marks, and in serious cases, it will also lead to pulverization of marks.
Imitation paper
Mainly used in letterpress dictionaries, pocket manuals, reference books, scientific and technological materials, high-grade printed materials, etc. , the weight is 25 ~ 40g/m2.
Bible paper is light and thin, requiring good opacity (to prevent through printing), uniform fiber structure, flat paper surface, uniform thickness, soft Bible paper and easy curling of paper edges.
Map paper and ocean map
Map paper is suitable for offset printing multi-color topographic maps, maps and atlases, and is divided into two types: special number and 1. Special number is used for printing topographic maps, and 1 is used for printing maps and atlases. The chart is suitable for offset printing multi-color chart.
Map paper and ocean drawing paper are white in color, with little dust, especially black dust, which is longer than 1mm (to avoid confusion with map symbols), smooth on both sides, tight and tough in organization, and small in elasticity, and can print accurate figures. Folding endurance is much higher than offset paper, and the breaking length of sea paintings is also very high.
Gravure printing paper
Mainly used for monochrome and color gravure printing pictorial, art pictures, illustrations and other papers.
Gravure paper requires white and firm paper, good smoothness and water resistance, and no obvious powder dropping, pilling and through printing during printing.
The original gravure printing paper includes high-quality printing paper, such as banknotes and stamps, which is not easy to copy. Now it has been divided into banknote paper and stamp paper.
White board paper
It can be used to print all kinds of commodity packaging cartons and commodity decorative lining paper, and can also print all kinds of educational pictures.
Fibers of whiteboard paper >>
Question 2: What can paper be used for? Paper has many uses, for example, it can record history and can be used as a medium to express a sense of * * *. Paper can also be used for burning and heating if necessary. Paper can also be folded into a paper plane, playing games with children and relaxing. Paper can also be made into various factory packaging boxes and can be used as very creative decorations. Isn't China's paper-cut a beautiful and rich work of art? Paper can also be used to build houses. I remember a foreign man built a villa with old newspapers, which was warm in winter and cool in summer (I envy living in such a house! ) Paper can also be made into clothes. There are clothes made by designers from newspapers at fashion week ... paper has many uses, depending on whether you want it or not.
Question 3: What can a piece of paper do? Wipe your mouth for 20 points.
Question 4: What simple manual work can be done with paper? I advise you to give up.
I once spent two days (using paper) making a tank.
The result is a mess. it's nothing
Later, when I checked the Internet, I realized that making things out of paper was a great learning.
With what engineering and detailed calculation of * * * *
Personally, I think you'd better go to the model shop and buy a small hand to assemble it yourself.
Don't waste precious time.
Question 5: What should I do if I make things out of paper? You can fold some small animals. If you can't fold, there are free online origami tutorials. Hope to adopt
Question 6: What can a paper jam do? As long as you have skills and patience, you can do many super beautiful little things. Don't break down the first time. How to do it is too complicated. How to say online search?
Question 7: What can paper and cartons and straws do?
Make cartons and papers into boxes to hold things. As for straws, they are used to blow bubbles. ...
Hope to adopt
Question 8:? What simple manual work can be done with paper? ? Hello! Fold all kinds of small cartons to hold some odds and ends of life; Paper-cutting is also good, it feels good to cut it out, and it can decorate many things. Fold our usual small triangles one by one into things we like, such as pineapples, boats ... and origami cranes, stars ... and the folded paper flowers upstairs are also good, both beautiful and decorative. Decorate a bottle of flowers folded by yourself, and your heart must have a special taste! Come on!