Explanation of various printing paper industry terms(two)
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Cellophane
Cellophane is a widely used liner and decorative packaging paper. Its transparency makes people understand the contents of the goods at a glance. After the surface is plasticized, it has moisture-proof, impervious, non-breathable, heat-sealing and other properties, which have a good protective effect on the products. Compared with ordinary plastic film, it has the advantages of no static electricity, dustproof and good kink. Cellophane is available in white, color, etc.
White cardboard
It is a flat paper with a smooth surface and a firm texture.
White cardboard
White cardboard is divided into double-sided white cardboard and single-sided white cardboard. Double-sided white cardboard is only used for high-end packaging. Generally, most paperboards use single-sided white cardboard, such as outer packaging for making cigarettes, cosmetics, medicines, food, stationery, etc. box.
Composite paper
The paper, paperboard and other plastics, aluminum foil, cloth, etc. are laminated with an adhesive to obtain a composite processed paper. Composite processing paper can not only improve the appearance and strength of paper and paperboard, but also improve the waterproof, moisture-proof, oil-resistant, air-tight and scent-proof properties, as well as heat sealability, light resistance and heat resistance. The methods for producing composite paper include wet process, dry process, hot melt and extrusion compounding.
Printing paper
Specially used for printing paper. According to the use, it can be divided into: news paper, book paper, cover paper, and security paper. According to the printing method, it can be divided into letterpress printing paper, gravure printing paper, offset printing paper and the like.
Color printing paper
It mainly includes color printing trays and color printing cartons.
Moisture proof paper
It is a wrapper made by applying asphalt to the middle of two layers of base paper. It is mainly used for packaging cigarettes for moisture protection and can also be used as fruit packaging. Moisture-proof paper has a certain moisture-proof ability, and its moisture-proof rate is at least 15%. The good moisture-proof paper is evenly coated and firmly bonded. There is no paper layer cracking and asphalt penetration, and the heat resistance is not less than 85 degrees. It has an odor, so as not to affect the quality of cigarettes, but it is no longer used to pack cigarettes.
Paper products
Including paper products, paper products printing, paper product packaging machinery, paper products processing, packaging paper products.
Packing box
Including pharmaceutical packaging boxes, silk packaging boxes, color gift boxes, roof-type milk packaging boxes, paper-plastic color packaging boxes.
Thin corrugated
Also known as E-type corrugated board is thinner and has good stiffness. It is generally used for making cartons as a sales package; E-type corrugated board can also be used alone as an ampoule cushioning paper.
Yellow cardboard
Yellow cardboard is also called grass paperboard, and its color is yellow. It is mainly used as ordinary carton packaging shoes, hardware products and some cheap goods. It is also used to package clothing and knitwear after being covered with a layer of beautifully printed label paper. The raw material for producing yellow cardboard is 100% natural lime straw straw or wheat straw pulp and waste paper.
Box cardboard
The box board is used as the surface layer of corrugated board. After the box is made, it is the carton box surface. Therefore, the box board is required to have high pressure resistance, folding resistance, tensile strength, wear resistance, puncture resistance and other water resistance. Sex, paper is strong and tough, but also must have good appearance and printability.
Compound bag
When using a multi-layer paper bag, in order to prevent moisture, a plastic film or asphalt moisture-proof paper is added to the middle of the paper bag.
Cement bag
Including composite cement concrete
Adhesive tape
The paper is made of paper, cloth and plastic film, and the wet adhesive is evenly coated on the substrate to form a paper adhesive tape, a cloth adhesive tape, a heat sensitive adhesive tape, and a pressure sensitive type. Adhesive tape is composed of three parts: substrate, adhesive and stripper.
Compound tank
Composite cans are a new type of packaging products that have developed rapidly in recent years. It is made into a tube by cardboard, plastic film and aluminum foil in a certain way, and then sealed with metal or plastic cover to make a composite tank with good barrier property and water and oil resistance. It is widely used in food, grease and its paste and liquid materials. Packaging, instead of metal, glass cans, is conducive to waste disposal, while reducing packaging costs.
Pulp molding
Includes egg trays and fruit trays. It uses waste paper as raw material, adds some chemicals, and then makes various shapes of model products according to different purposes, used as eggs, fruits, precision devices, fragile glass, ceramics, handicrafts, etc. Packaging liner with good cushioning protection. The production of pulp molding technology equipment has developed rapidly. The basic process is three steps of slurry preparation, molding and drying.
Sticker paper
Most of the high-strength whiteboard paper is used as the base paper, and the self-adhesive is applied to form a self-adhesive paper. Uses: Printing labels and labels for self-adhesive paper.
Color packaging
Colors include color packaging cartons, corrugated color packaging, paper plastic color packaging boxes, etc.
Glass cardboard
It is a flat sheet of paper that is shiny on both sides.
Aluminum foil backing paper
Includes vacuum aluminized paper. The paper and the aluminum foil are laminated together with a binder to form a liner. Used in cigarettes, candy and other packaging.
Corrugated box
Corrugated cardboard is made into corrugated boxes by die cutting, indentation, nail box or glue box. Corrugated boxes are one of the most widely used packaging products, and the amount has always been the first of all kinds of packaging products. Includes calcium plastic corrugated boxes.
Corrugated cardboard
Includes honeycomb paperboard. A multi-layer cardboard formed by laminating thick paper into a corrugated shape and attached to the cardboard in a certain manner is called corrugated cardboard.
Other paper packaging
Including cassettes, computer paper products, transparent paper strip packaging, refrigerators, transport packaging, fertilizer bags, water-coated tape paper, wood pulp, color printing paper, cigarette paper, paper packaging materials, paper-plastic packaging products, calcium-plastic lining, Silk packaging, buckle box, injection box, medical packaging, tar paper, cotton paper, metal lock packaging, foaming, hemp packaging, plastic envelope, inner packaging, clothing pallet, kraft paper bag
Paper packaging products
Mainly including cartons, cartons, paper bags, etc.
Thin corrugated box
The carton produced by D and E corrugated is called a thin corrugated carton.
Newsprint
Commonly known as white newspaper, it is characterized by soft and porous, has certain mechanical strength, and good absorption. It can make the ink penetrate and fix in a short time. It will not stick when folded. It is used to print newspapers, journals and general on high-speed rotary machines. books. The volume of newsprint is 51 g/m2, and the width of reel newsprint is 1572 mm, 1562 mm, 787 mm, and 781 mm; the size of the lithographic paper is 787 mm w1092 mm. Newsprint printing is adaptable and opaque, but the whiteness is low and the surface smoothness is different. When printing pictures, thicker mesh should be used. After daylight, it is easy to turn yellow and brittle, and it is not suitable for long-term storage.
Box cardboard
Also known as hemp, it is a cardboard used in relatively strong cartons. It is widely used for shipping books, department stores, radios, televisions, machine parts and food. The basis weight is 200 g/m2, 310 g/m2, 420 g/m2 and 530 g/m2.
The surface is flat and mechanically strong.
Copper sheet
Also known as coated paper, it is a high-grade printing paper which is coated with a white paint made of calcium carbonate or kaolin and a binder, and calendered after drying. Due to its fine whiteness, high smoothness and gloss, and moderate oil absorption, it is suitable for copper plate printing or offset printing, printing color or monochrome pictorials, pictures, calendars, maps and books, as well as packaging and printing paper. It is divided into single-sided coating and double-sided coating. The two types are divided into special number, No. 1, No. 2 and No. 3, and the quantitative amount is from 80 g/m2 to 250 g/m2. Copper paper requires high coating strength, no powder drop, and can be used for fine mesh printing of 60 lines/cm or more.
Offset paper
Formerly known as "Dowlin Paper", it is a book paper used by offset presses. Suitable for printing monogramous or multi-colored book covers, texts, inserts, pictorials, maps, posters, color labels and various packaging items. Offset printing paper is divided into special numbers, No. 1 and No. 2, and the basis weight is from 70 g/m2 to 150 g/m2. The pulp has high strength and printability. Offset printing is a relatively advanced book printing
Paper, contrast, stretch rate and surface strength have higher requirements, acid and alkali should also be close to neutral or weakly alkaline, so as not to affect the printing paper, the basis weight is 40 g / square meter to 80 g / square meter. In recent years, low-quantity offset printing newsprints and offset printing papers have been successfully produced for offset printing papers and books.
Letter paper
A paper suitable for letterpress printing of various books, stationery and magazine texts. The basis weight is 52 g/m2 and 60/m2, and there are two kinds of web and flat paper, the smoothness is 30 meters, and the opacity is not less than 88%. Topographic paper is a widely used book paper, which is slightly smoother than newsprint and has a long shelf life, but it is prone to hair loss and is not suitable for printing books by offset printing. This type of paper is easy to write.
Grass cardboard
Also known as yellow cardboard or horse dung paper, it is a yellow cardboard for packaging. It is mainly used for the packaging of goods, the carton and book cover book cover lining. The basis weight is from 200 g/m2 to 860 g/m2. Commonly used are No. 8 420 g, No. 10 530 g, No. 12 640 g. Grass paperboard requires tight and solid quality, flat paper surface and certain mechanical strength and toughness.
White cardboard
Also known as Manila Paper, it is a white, more advanced packaging board. It is used for printing children's educational pictures and trademarks of stationery, cosmetics and pharmaceuticals. The basis weight is from 200 g/m2 to 400 g/m2. Uniform thickness, no lint, no powder, toughness, folding is not easy to break.
Binding cardboard
Important materials for bookcase decoration, such as white cardboard, yellow cardboard box, etc., are mainly used to make hardcover book covers and envelopes. The hardcover case with cardboard as the skeleton has the advantages of firmness, beauty and long-term preservation.
Calcium paper
Appearance is close to the paper, resistant to water immersion, non-hygroscopic, non-flammable, high bursting and tear resistance, and low production cost. It is kneaded and calendered at 160 degrees, and its thickness is similar to that of the cardboard. It can also be made into thicker cardboard, which has a certain ability to absorb ink and can print clear pictures and text. It can be used to print book cards, securities, labels and color prints. It can also be used to make corrugated cardboard boxes for foods and goods that are protected from moisture and oil.
Kraft paper
It is a tough and water-resistant packaging paper. It is brownish yellow and has a wide range of uses. It is commonly used in paper bags, envelopes, record covers, files and sandpaper. The quantitative range is from 40 g/m2 to 120 g/m2. There are differences between single-sided, double-sided and striped in web and flat paper. The main quality requirements are flexible and strong, with high bursting resistance, and can withstand large tensile forces and pressure without breaking.
Cellophane
Also known as transparent paper, it is a high-grade packaging and decorative paper that is as transparent as glass. It is used to wrap fruit, food, shirts, cigarettes, cosmetics and other commodities. The basis weight is 30 g/m2. In addition to transparent and colorless, there are many colors such as golden, pink, and green. Cellophane is non-breathable, oil and water, soft and strong, colorless, transparent and shiny. It can be protected from moisture and rust after sealing, but it will crack when it is slightly cracked. Due to its large longitudinal strength, it can cause paper ropes. Waste cellophane cannot be recycled.
Mail seal paper
It is a very thin single-sided optical writing paper with a basis weight of only 20 g/m2. It was originally used for stamping paper and insured letters. It is now used in cosmetics, fruit and food packaging and cigarette linings. It can be used as a candy wrapper after printing and waxing. It can also be used as a printing paper, copy paper or multi-page copy paper instead of type paper and copy paper. The quality requirements are thin and strong, the transparency is good, the tension is large, and the air permeability is small.
Chinese calligraphy and painting paper
It is a paper for writing and painting with a brush, such as Yuanshu paper, rice paper, and edging paper. Yuanshu paper is made of bamboo fiber, bark, rag, old linen and straw, and is made into pulp by soaking, cooking, natural bleaching and grinding. It is used to copy paper on bamboo curtain and dry it. After being baked on the fire wall, the paper is white (or yellowish), even and soft, easy to
Ink absorption, for a long time. Xuan paper is a paper for calligraphy and painting made from sand bark and a small amount of straw pulp. The raw rice paper is suitable for freehand drawing and calligraphy. The cooked rice paper made from it is suitable for meticulous white and flexible, and it is not easy to change for a long time. Insects. Known for its origin in the Xuancheng area of Anhui. The edging paper is a writing brush made of tender bamboo. The color is light yellow, and the color of the history paper is white. Both of them are made of bamboo curtains and are used for printing ancient books, rubbings, letterheads and fans.
Glossy paper
It is a single-sided glossy paper for writing, office and promotional slogans. It can also be used for paper cartons, packaged goods, printed calendars, letterheads and invoices, etc. It is widely used and is a commonly used tissue paper. It used to be called office paper or snow lotus paper. There are three types of grades, No. 1 and No. 2, and the basis weight is from 18 g/m2 to 40 g/m2. The quality requirements are even and thin, the paper surface is flat, the light sizing is easy to write, and there is certain water resistance. The colored glossy paper is also called the slogan paper, which is mainly used for writing slogans!
Typing paper
It is a thin paper for typing and rewriting, and is currently used to print documents, tickets or letterheads. Three grades, No. 1 and No. 2, with a basis weight of 24 g/m2 to 30 g/m2, commonly used are 28 g/m2. It requires paper thickness not more than 0.05 mm, uniform thickness, can be typed at one time, rewrite multiple pages, the paper is tough and flat, and it is not water-repellent when writing. The colored type paper is used for printing multi-line tickets or tickets.
Writing paper
It is a kind of cultural paper with a large consumption. It is suitable for forms, practice puffs, books, books, etc., for writing, sub-special, No. 1, No. 2, No. 3 and No. 4, It is 45 g/m2 to 80 g/m2. Quality requirements: white color, smooth on both sides, tight texture, no water when writing.
Gravure paper
Paper used to print a variety of color prints, periodicals, comic strips, catalogs, stamps and securities. Its specifications and dimensions are basically the same as newsprint, letterpress and offset paper, and it is also divided into two types: web and flat paper. Gravure paper printing requires higher smoothness and shrinkage, paper whiteness should be higher, and it has better smoothness and softness.
Cast coated paper
Also known as glass powder paper, it is an advanced coated printing paper with a particularly smooth surface. It is coated on the base paper by a second or a thick coating (20 to 39 grams on one side). When the coating is in a damp state, the coated surface is heated and dried on a highly polished chrome-plated dryer. The speed is about 100 meters or lower, and the gloss is about 85. There is no need to calender. The coated paper is embossed with a pattern roll to form a cloth or chicken paper. Cast coated paper mainly prints covers, inserts and high-grade cartons, and cloth paper and chicken paper are used for printing calendars and business cards.