There are printing paper, writing paper, drawing paper, drawing paper, and insulating paper

1. Printing paper

Printing paper is used for printing paper. Commonly used printing papers in China include coated paper, offset paper, trademark paper, kraft paper, corrugated paper, paper bag paper, cellophane, moisture-proof paper, white cardboard, etc.

2. Writing paper

It is a kind of cultural paper that is widely consumed. It is suitable for forms, exercise books, account books, record books, etc., for writing, and is divided into special numbers. , No. 1, No. 2, No. 3 and No. 4 five grades, the basis weight is 45 g/m2 to 80 g/m2. Quality requirements: white color, smooth on both sides, tight texture, and no water smearing when writing.

3. Drawing paper

The main raw materials of drawing paper are bleached chemical pulp and cotton pulp. It has the characteristics of opacity, no spots and high scratch resistance. Suitable for pencil and ink line drawing of engineering drawings, mechanical drawings, surveying and topographic maps, etc.

4. Drawing paper

Paper used for drawing engineering drawings, mechanical drawings, topographic maps, etc. The texture is tight and strong, semi-transparent, matte and less dusty. It has excellent scratch resistance, wear resistance and folding resistance. Suitable for writing with pencils, ink pens, etc.

5. Insulating paper

Insulating paper is the general name for electrical insulation paper. Used as insulation material for cables, coils and other electrical equipment. In addition to having good insulation properties and mechanical strength, each has its own characteristics.