In China, it is customary to use geometric series to name folio. The size of the folded paper is folio, then folded into 4 sheets, then folded into 8 sheets, then folded into 16 sheets, then folded into 32 sheets, then folded into 64 sheets, and so on.
1、8K
The size of ordinary 8-seam is generally: 270mm×390mm for white material and 260mm×370mm for finished product. Generous: 420mm×285mm. According to the different cutting methods, there are the following different sizes.
2、 16K
16 opening paper is the paper originally used for documents in the government and institutions, and can also be used as printing paper. The size is magnanimous: 210mm× 285mm; Correctness: 185mm×260mm. According to the different cutting methods, there are the following different sizes.
3、22K
The size of 22 gauge is unusual, about 170mm wide and about 220mm high. According to the different cutting methods, there are the following different sizes.
4、32K
The opening size of 32 is positive: 184mm× 130mm, and generous: 203mm× 140mm, which is about half the size of ordinary magazines. It is used to print ordinary books and dictionaries.
36K (see above)
The size of a 36-bay is unusual, about 130mm wide and 180mm high. Used for small exercise books, etc.
Extended data:
Folio refers to the size of the book format, that is, how many pages are cut on a fully open printing paper. 8K is a piece of paper that is completely opened, cut into 8 pages, and so on. Common formats are 32 format (mostly used for general books), 16 format (mostly used for magazines) and 64 format (mostly used for small and medium-sized dictionaries and comics).
The format is divided into positive format and generous format, and the difference is mainly reflected in: the paper format of positive format is smaller, while the paper format of generous format is larger.
Normal page number is the normal page number of paper. The normal folio of domestic paper in China is 787mm× 1092mm for full paper and 540mm×780mm for folio.
A wide opening is a larger format than ordinary paper. The standard format of domestic paper is very generous. Full paper (full paper) is 889mm× 1 194mm, and folio (2 folio) is 590 mm× 880 mm.
References:
Baidu encyclopedia-folio
Baidu encyclopedia-folio size