The specifications of copy paper are divided into 13 types: 8K, 16K, F4, a, A 1, A2, A3, A4, A5, A6, B4, B5 and B6 copy paper:

1, 8K copy paper, size: 27x39mm, function and use: 8k copy paper is less used than ordinary paper A3 and A4, and is generally used for design drawing printing, draft paper, painting, etc.

2. 16k copy paper, size: 27x 195mm. The size of 16k paper is half that of 8K paper. Functions and uses: 8K and 16k copy paper are generally only used in China, and the size of 16K paper is very close to A4 paper.

3, F4 copy paper, size 2 16x279mm, function and use: F4 copy paper is also called American A4, and its size is similar to A4 copy paper, but it is not commonly used, so be sure to confirm the specific size before buying to avoid buying it wrong.

4. A copy paper, size: 841x1189 mm, function and use: as a very large-format copy paper, it is mainly used for mechanical building drawing and engineering drawing, and it is a kind of colored lead drawing paper.

5. A 1 copy paper, size: 594x84mm, function and use: A 1 copy paper has a large format and the same function as A, which is mainly used for mechanical building drawing and engineering drawing, and is rarely used.

6. A2 copy paper, size: 594x42mm, which is half of A 1 copy paper. Function: A2 copy paper is just half the size of A 1, mainly used for printing mechanical architectural drawings, engineering drawings or publicity pages.

7. A3 copy paper, size: 297x42mm, which is half of A2 copy paper. Function and use: A3 copy paper is just half the size of A2, which is generally used for drawing small pictures and is widely used in copy shops.

8. A4 copy paper, size: 2 1x297mm, which is half of A3 copy paper. Function: As the most commonly used office copy paper, it has a wide range of functions, such as printing and copying office documents, promotional materials and contracts. , usually used as draft paper.

9. A5 copy paper, size: 148x2 1mm, function and use: mainly used for making nameplates, forms and cards.

1, A6 copy paper, size: 15x 148mm, half of A5 copy paper. Function and use: used to make badges, business cards and cards.

1 1, B4 copy paper, size: 257x364mm, function and use: mainly used in schools, for printing test papers and copying materials.

12, B5 copy paper, size: 182x257mm, half of B4 copy paper, function and use: it is often used to make books, notebooks and students' papers and test papers.

13, B6 paper copy paper, size: 128x257mm. Function: Similar to B4 and B5, it is also used to print school papers and make notebooks.