2.A4 paper is equivalent to 16K paper.

3. 4k paper is four A4 papers.

The size of 4.4k is 540mmx380mm.

5.A4 is 2 10mmx285mm.

6.4K is a domestic standard.

7.A4 is an international standard paper.

8. Paper Introduction Paper is a thin sheet made of plant fiber, which is used for writing pictures, printing books and newspapers, packaging, etc.

9. Paper is the general term for paper, and paper is counted by sheets, so it is called.

10. Paper is generally divided into relief printing paper, newsprint, offset printing paper, coated paper, book cover paper, bible paper, copy paper, cardboard, etc.

1 1. How to choose a paper When choosing a paper type, it is mainly based on the characteristics of the printed matter to be printed and the type of printing machine used.

12. Color covers, illustrations or advertising inserts in printed books and periodicals can be made of double-sided coated paper or double-sided adhesive paper.

13. Single-sided printed materials such as printed trademarks can be coated paper or offset paper.

14. Biblical paper or thin embossed paper should be selected for printing dictionaries, dictionaries, handbooks and other reference books.

15. For printing general books, you can choose offset book paper or relief printing paper.

16. It is also used to print ordinary books. If you want to use it on a rotary press, you need to use a web (except for a flat rotary press). If you plan to print on a common platform, you need to use flat paper.

17. If you print on an offset press, you should use offset paper; if you print on a letterpress, you should use letterpress paper.