Question 1: What does the number of grams of paper mean? The area of the paper is 1 square meters. For example, 81 grams of writing paper.

one of the quality indicators of paper.

Question 2: What does the gram of paper mean? Generally speaking, it refers to the unit weight of paper and indirectly represents the thickness of various specifications. Papers with various thicknesses have different usages. Generally, the copy paper is 53-81g, while the sketch paper is 181g. If it is coated paper, it is responsible for more than 281g.

question 3: what do you mean by grams of paper? Cardboard is also called paperboard. A thick paper sheet made of various pulps and interwoven fibers. The difference between paperboard and paper is usually distinguished by basis weight and thickness. Generally, paperboard with a basis weight exceeding 211g/m2 and a thickness greater than 1.5mm is called paperboard. Generally, a basis weight of less than 225g/m2 is considered as paper, and a basis weight of 225g/m2 or more is considered as cardboard).

grams of k paper: 211-231

grams of a paper: 151-175

grams of b paper: 121-125

grams of c paper: 111-115

grams of core paper: 115-111

The so-called grams are calculated in square meters.

cardboard is also called paperboard. A thick paper sheet made of various pulps and interwoven fibers. The difference between paperboard and paper is usually distinguished by basis weight and thickness. Generally, paperboard with a basis weight exceeding 211g/m2 and a thickness greater than 1.5mm is called paperboard. Generally, a basis weight of less than 225g/m2 is considered as paper, and a basis weight of 225g/m2 or more is considered as cardboard). Grams of k paper: 211-231 A paper: 151-175 B paper: 121-125 C paper: 111-115 core paper: 115-111

Grams represent the thickness of paper, and we decide what kind of paper we have according to the grade of things you want to make. Now we usually.

how to make a specific judgment is generally based on experience and feel!

general platforms use grams, and so do good printing screens.

question 5: does the gram of paper mean the weight of paper per square meter (the gram of paper refers to the weight of paper per square meter, for example, 71g means that the gram of paper per square meter is 71g; The higher the gram weight, the thicker the paper). Zhang Ke weight of commonly used printing paper is usually as follows: 1. Offset paper 61g, 71g, 81g, 111g, 121g, 141g2．. Traditional paper 52g3．. Typing paper 28g 42g4．. Coated paper 61g, 81g, 111g, 128g, 157g, 311g, 357g. Gram weight refers to the weight of paper per square meter. Experienced people can know the approximate gram weight of a piece of paper by touching it. Novice people can weigh it with a balance or use a micrometer to check the thickness. Different grams of paper have different thicknesses.

common paper for printing

1. Letterpress printing paper: referred to as letterpress paper for short. The packaging forms of products can be divided into drum and lithography. The weight of letterpress paper is 51 grams to 81 grams per square meter. The product number is divided into three types: special number, number one and number two. Special number and No.1 letterpress paper are used for printing advanced books, and No.2 letterpress paper is mainly used for printing general books, textbooks and periodicals.

2. Newsprint: also known as white newspaper, the packaging forms are also divided into reel and lithography. The weight of newsprint is about 51g, which is mainly used for printing newspapers and periodicals.

3. Offset printing paper: referred to as offset paper for short, the quantitative is 61-181g, which can be divided into double-sided offset paper and single-sided offset paper. Among them, 71-121g of double-sided paper is the most widely used. There are three types of double-sided and single-sided offset paper: special number, No.1 and No.2. Special number and No.1 double-sided paper are used for printing advanced color offset printing products; No.2 double-sided adhesive plate paper is used for printing general color prints; Single-sided offset paper is mainly used for printing and posting posters and New Year pictures.

4. coated paper: coated paper is made by coating a layer of coating liquid on the base paper and super calendering. The basis weight is 91-251g, which can be divided into double-sided coated paper and single-sided coated paper. There are three kinds of product numbers: special number, number one and number two. Special coated paper is used for printing fine products with a network cable of more than 1.51 grams; No.1 coated paper is used for printing products with 121-151 network lines; No.2 coated paper can be used to print products with net wires below 1.21 grams. Coated paper is not resistant to folding, and once creases appear, it is extremely difficult to recover.

5. Book cover paper: 81-121g in weight, mainly used for the cover of books and periodicals. Book cover paper has many colors to meet the needs of printing different covers.

6. bible paper: divided into No.1 and No.2, with a quantitative of 25-41g, mainly used for printing dictionaries and manuals. Bible paper is highly hygroscopic, and it will wrinkle when it is slightly damp.

7. Copying paper: Copying is the transliteration of English copy, which means copying. Copying paper is mainly used for printing multiple sheets, suitable for copying and typing. Because the copying paper is translucent, in book printing, it is mainly used to bind the protective pages with portrait pages.

8. paperboard: paper with a basis weight of more than 251g/m2 is called paperboard, or paperboard. There are many kinds of paperboard. The paperboard used in book printing is mainly used to make cover press paperboard for hardcover books and envelope press paperboard for hardcover books and picture albums. Cardboards are all flat paper, and the thickness of cover pressed cardboard is generally divided into three types: 1 (mm), 1.5 (mm) and 2 (mm). There are six kinds of envelope pressboard thickness: 1 (mm), 1.2 (mm), 1.4 (mm), 2 (mm), 2.5 (mm) and 3 (mm).

Question 7: What do you mean by how many grams of toilet paper? Is it the only criterion for evaluating paper quality? How many grams is cost-effective? Toilet paper is sold by weight

individual manufacturers will add more fillers in the production process. The paper produced in this way is thick and hard, which is harmful to human body. Therefore, you should choose soft toilet paper when buying.

To evaluate the quality of toilet paper, we should look at the following aspects:

1. Some toilet paper feels thicker, and the grade of this paper is lower, because there are fewer sheets of thick paper under the same weight. For example, there are more than 271 sheets of D-grade paper per 511 grams, while there are only less than 251 sheets of E-grade paper. Therefore, in the case of the same weight, we should choose a whole package of thicker toilet paper.

2. The whole process of toilet paper production is completed at high temperature. If the packaging is not timely, incomplete or improperly stored, the paper will be wet and polluted. Therefore, in the selection, we must choose those products with good packaging and close production date.

3. Pay attention to the industry standard of the Ministry of Light Industry (GB2511-2111) on wrinkle toilet paper, which divides wrinkle toilet paper into two types: small roll paper and knife-cut paper, and the technical indicators are divided into five grades: A, B, C, D and E.. Toilet knife paper basically belongs to two grades: D and E. When buying, please pay attention to the words on the package. If the implementation standard is indicated above: GB2511-2111 D-1, it means that it belongs to D-grade toilet paper with good quality.

question 8: what are the grams of double copper paper? What paper is it? Coated paper is a kind of printing paper imported more, which is called coated paper. The types of coated paper mainly include double-sided coated paper, single-sided coated paper, smooth coated paper, matt coated paper, copper card and so on. According to industry custom, coated paper usually refers to double-sided coated paper (sometimes referred to as double-sided coated paper). There are 81 to 411 grams in grams. The following common uses of gram thickness are for reference:

81g copper foil thickness 1.16 office printing certificate

115g copper foil thickness 1.18 magazine inner page

128g copper foil thickness 1.1 enterprise picture book magazine

157g copper foil thickness 1.12 product catalog packaging

211g copper foil thickness 1.17 menu invitation letter

251. Paper thickness 1.265 high-quality packaging box

311g double copper paper thickness 1.35 album cover

See more paper passers-by network

Question 9: What do you mean by how many grams of paper? The paper area is 1 square meters. For example, 81 grams of writing paper.

one of the quality indicators of paper.

Question 11: What does the gram of paper mean? Generally speaking, it refers to the unit weight of paper and indirectly represents the thickness of various specifications. Papers with various thicknesses have different usages. Generally, the copy paper is 53-81g, while the sketch paper is 181g. If it is coated paper, it is responsible for more than 281g.