In the international size, the area of code A is larger than that of code B, and the number behind it represents the folding number of the basic code. For example, B5 is the basic size of type B that is folded five times.
The width of A0 is 841mm×1189 mm, and the width of A0 is 1m2. B0 has a width of1000 mm×1414 mm and a width area of 20.5m2. ..
According to the standard, the proportional relationship between the width (represented by X) and the length (represented by Y) of paper is X: Y =1:N. ..
Common paper functions:
1, the weight of newsprint is about 5 1 g, which is mainly used for printing newspapers and periodicals.
2. Offset paper is divided into double-sided offset paper and single-sided offset paper. Double-sided offset paper is used to print advanced color offset printing products, and single-sided offset paper is mainly used to print posters and New Year pictures.
3. Book cover paper has a variety of colors to meet the needs of printing different covers.
Biblical paper is mainly used for printing dictionaries and handbooks. Bible paper is highly hygroscopic, and it will wrinkle when it is slightly wet.