Uses, varieties and specifications of commonly used printing paper

There are many kinds of printed materials, and their use requirements and printing methods are different, so you must choose the corresponding paper according to the requirements and characteristics of the use and printing process. The purpose, varieties and specifications of some commonly used publishing papers are introduced as follows for designers and publishing business personnel to refer to.

letterpress paper letterpress paper is the main paper used in letterpress printing books and magazines. It is suitable for text paper such as important works, scientific and technological books, academic publications, teaching materials for colleges and universities. Relief paper can be divided into four grades: No.1, No.2, No.3 and No.4 according to the composition ratio of paper materials. The number of paper represents the quality of paper, and the greater the number, the worse the paper quality.

relief printing paper is mainly used for relief printing. The characteristics of this kind of paper are similar to those of newsprint, but they are not exactly the same. Because the ratio of pulp and pulp are better than newsprint, the fiber structure of letterpress paper is relatively uniform, and the gaps between fibers are filled with a certain amount of fillers and sizing agents, and also bleached, which forms this paper with good adaptability to printing. Slightly different from newsprint, its ink absorption is not as good as newsprint, but it has the characteristics of uniform ink absorption; Water resistance and whiteness of paper are better than newsprint.

relief paper has the characteristics of uniform texture, lint-free, slightly elastic, opaque, slightly water-resistant and certain mechanical strength.

Weight: (49 ~ 6) 2g/m2

Flat paper specifications: 787×192, 85×1168 and 88× 123; There are also some special sizes of paper.

web specifications: width 787,192,1575;

newsprint is about 6～8m

Newsprint, also called white newspaper, is the main paper for newspapers and books. Suitable for newspapers, periodicals, textbooks, comic books and other text paper. The characteristics of newsprint are: the paper is light and elastic; Good ink absorption, which ensures that the ink can be fixed on the paper; After calendering, the two sides of the paper are smooth and lint-free, so that the prints on both sides are clear and full; Have certain mechanical strength; Good opacity; Suitable for high-speed rotary printing.

This kind of paper is made of mechanical wood pulp (or other chemical pulp) and contains a lot of lignin and other magazines, so it is not suitable for long-term storage. If the storage time is too long, the paper will become yellow and brittle, and the water resistance is poor, so it is not suitable for writing. Printing ink or book ink must be used, the viscosity of ink should not be too high, and the moisture content of the page must be strictly controlled during lithography.

weight: (49 ~ 52) 2g/m2

flat paper specifications: 787× 192,85× 1168,88× 123

web specifications: width: 787,192,1575: length: about 6 ~ 8m <

offset paper can be divided into special size, No.1 and No.2 according to the proportion of pulp, which can be divided into single-sided and double-sided, as well as super calendering and ordinary calendering.

Offset paper has small flexibility, uniform ink absorption, good smoothness, compact and opaque texture, good whiteness and strong water resistance. Conjunctival offset printing ink and good quality lead printing ink should be selected. The viscosity of ink should not be too high, otherwise there will be powder removal and galling. It is also necessary to prevent the back from sticking dirty, generally using anti-fouling agent, powder spraying or interlining paper.

weight: 5, 6, 7, 8, 9, 1, 12, 15, 18(g/m2)

flat paper specifications: 787×192, 85×1168, 88×123

web specifications: The paper has smooth surface, high whiteness, uniform distribution of paper fibers, uniform thickness, small flexibility, good elasticity, strong water resistance and tensile properties, and very good absorption and reception of ink. Coated paper is mainly used for printing picture books, covers, postcards, exquisite product samples and color trademarks. When printing coated paper, the pressure should not be too high, and offset printing resin ink and bright ink should be selected. To prevent the back from sticking dirty, methods such as adding anti-fouling agent and dusting can be adopted. There are two types of coated paper: single-sided and double-sided.

weight: 7,8,1,15,115,12,128,15,157,18,2,21,24,25 (g/m2)

in which: 15,115,128. 889×1194 is the specification of imported coated paper.

The texture of newspaper painting is thin and smooth, and it is used for printing pictorial, picture books and posters.

weight: 65,9,12 (g/m2)

Flat paper size: 787×192

Written paper, also called book cover paper, is used for printing book covers. Written paper is made with pigments, such as gray, blue and beige.

weight: 8,1,12 (g/m2)

flat paper specifications: 69× 96,787× 192

embossed paper is a kind of paper specially produced for cover decoration. There is an inconspicuous pattern on the surface of paper. The colors are gray, green, beige and pink, which are generally used to print monochrome covers. Embossed paper is brittle, and the spine is easy to break when binding. When printing, the paper is bent, and it is difficult to feed paper, which affects the printing efficiency.

weight: 12 ~ 4 g/m2

Flat paper specification: 787×192

bible paper bible paper is an advanced thin paper for books and periodicals, which is thin, tough and folding, white and meticulous, compact and smooth in texture, slightly transparent and has certain water resistance. It is mainly used for printing dictionaries, dictionaries, manuals, classic books and portable books with many page numbers. Bible paper has high requirements on the pressure and ink color in the printing process, so special attention must be paid to the printing process.

weight: 25 ~ 4g/m2

Flat paper size: 787×192

Margined paper The paper is thin, soft and light yellow, with no water resistance and good ink absorption. Wool edge paper should only be printed on one side, mainly for ancient books.

writing paper writing paper is paper for writing with ink, and it is required that it is not burnt when writing. Writing paper is mainly used for printing exercise books, diaries, forms and account books. Writing paper is divided into special number, No.1, No.2, No.3 and No.4..

weight: 45, 5, 6, 7, 8 (g/m2)

flat paper specifications: 427×569, 596×834, 635×1118, 834×1172, 787×192

web specifications: Mainly used for printing documents, forms and multi-copy vouchers. It is used as spacer paper and printing and packaging paper in books. Typing paper has white, yellow, red, blue, green and other colors.

weight: 24 ~ 3g/m2

Flat paper specifications: 787×192, 56×87, 686×864, 559×864

Youfeng Paper is used for printing various carbon copies and printing and packaging paper.

Weight: 25 ~ 28 (g/m2)

Flat paper specification: 787×192

Copying paper is thin and flexible, suitable for printing multi-copy copies; It is used to protect art works and play an aesthetic role in book binding.

weight: 17 ~ 2 (g/m2)

flat paper specification: 787×192

white paper has small flexibility, toughness and is not easy to break when folded, and is mainly used for printing packaging boxes and commodity decoration lining paper. In book binding, it is used for binding materials such as the inner seal of simplified hardcover books and radial paper (spine) in hardcover books.

white paper can be divided into powder white paper and ordinary white paper. According to the bottom classification, there are two kinds of gray background and white background.

weight: 22,24,25,28,3,35,4 (g/m2)

Flat paper specifications: 787× 787,787× 192×192

Kraft paper has a high tensile force. Mainly used for wrapping paper, envelopes, paper bags, etc. and printing machine cylinder lining, etc.

specifications of flat paper: 787×192, 85×1168, 787×119, 857×112

1. unit of paper:

a.g: weight of one square meter (length× width ÷ 2).

2. Specifications and names of paper:

A. There are four most common specifications of paper:

(1). Positive paper: 19.2 cm long and 78.7 cm wide

(2). Large paper: 119.4 cm long and 88.9 cm wide

(3). Self-adhesive.

B. The most common name of paper:

(1). Copying paper: 17g Orthographic specification: used for value-added tax stamps, gift packaging, generally pure white.

(2). Typing paper: 28g. Orthographic specification: used for forms. There are seven colors: white, red, yellow, blue, green, light green and purple.

(3). glossy paper: 35-4g. Normality specification: one side is glossy, which is used for sheets, forms and notes. It is low-grade printing paper.

(4). Writing paper: 5-1g, both generous and positive, used for low-grade printed matter, with domestic paper being the most.

(5). Double-coated paper: 6-18g, with both positive and negative degrees. It is used for mid-range printed matter made in China. Joint ventures and imports are common.

(6). Newsprint: 55-6g roller paper, positive paper and newspaper selection.

(7). Carbonless paper:

4-15g, with positive degree, with direct copying function, divided into upper, middle and lower papers.

The upper, middle and lower papers cannot be exchanged or reused, with different paper prices, and there are seven colors, which are often used for combined sheets and tables.

(8). Coated paper:

A. Copper 8-4g, both positive and generous, used for high-grade printed matter.

B. Single copper: used in cartons, cartons, hand bags, medicine boxes, etc. High polyester ∷ Ⅰ?

(9). Asia art paper: 15-4g for elegant and high-grade color printing.

(1). White paper with grey background: more than 2g, with grey background, used for packaging.

(11). White cardboard: 2g, double-sided white, used for mid-range packaging.

(12). Kraft paper: 6-2g, used for packaging. Carton. Text? Portfolio. Envelope.

(13). Special paper: generally imported paper is common, and it is mainly used for printing covers, decorations, handicrafts and fine products.

3 quotation formula and skills:

(1) Carefully observe the customer's strength and customer's printed samples.

(2) Carefully measure the sample specifications, paper quality and various prepress and prepress processes.

(3) Calculate the cost and profit in detail with a calculator.

(4). The quotation uses puns, and the price is not high (meaning not higher than the customer's psychological price) and the price is not low (meaning lower than the peer price).

(5). Bargaining refers to the reason and basis for negotiating with customers to quote a bid.

such as: choosing paper size, good or bad paper quality,

domestic and imported film,

printing quality,

delivery time,

choosing which machine to print, etc., so that the other party can accept your offer.

(6). Manner: sophisticated, generous, honest, and responsible

(7). Language: polite, civilized, laugh before you speak, neither supercilious nor supercilious.

4 proofreading and delivery skills:

(1) proofreading makes the other party pay attention to the text, specifications, color samples and delivery time, and allows the customer to approve and sign.

(2). Distract the customer's attention (product deficiencies) during delivery, introduce the excellent products, introduce the customers' concerns and satisfy the customers.

5 skills of receiving deposit and payment for goods:

(1). Explain the reasons for deposit to customers:

A. Draft-making, proofing, investment cost

B. Make customers sincere

C. Reject deceptive verbal expressions and let customers understand the inevitability of deposit.

(2) After the goods are accepted, the customer must sign the bill (delivery bill), and then provide the receipt voucher (receipt and invoice) for the customer to fulfill the agreement or contract payment method.

talk more about our difficulties and less about the other party's mistakes, which makes it a bit unreasonable for customers not to pay.

if the payment cannot be made for other reasons, ask the leader of the other party to sign the word "no payment" and indicate the next payment time.

6. How to deal with faults and quality problems:

(1) The faults of the other party shall be settled peacefully according to the actual quantity and the attitude of customers, and the other party shall bear the paper payment, printing fee and other expenses as much as possible until the two parties reach an understanding through negotiation.

(2) Our fault, in order to make the other party accept it, should be dealt with by reducing the price, giving it away and reprinting it next time.

quotation formula

quotation formula:

7. quotation formula:

(1). weight (length × width ÷2)= law: magnanimity .531; weight

(2). calculation method: weight (law) × grams × ton price.

formula: weight × grams × price per ton.