1, printing paper
Printing paper is printing paper. The commonly used printing paper in China includes coated paper, offset paper, trademark paper, kraft paper, corrugated paper, bag paper, cellophane, moisture-proof paper and white cardboard.
Step 2 write paper
It is a large amount of cultural paper, suitable for writing forms, exercise books, account books, record books and so on. It is divided into five grades: special number, 1, 2, 3 and 4, and the quantification is 45 g/m2 to 80 g/m2. Quality requirements: white in color, smooth on both sides, dense in texture, and not soaked when writing.
3. Drawing.
The main raw materials of wire drawing paper are bleached chemical pulp and cotton pulp, which have the characteristics of opacity, no spots and high wear resistance. Suitable for drawing engineering drawings, mechanical drawings and topographic maps with pencils and ink lines.
4. drawing paper
Paper for drawing engineering drawings, mechanical drawings, topographic maps, etc. The texture is firm and tough, translucent, dull and low in dust content. It has excellent wear resistance, wear resistance and folding resistance. Suitable for writing with pencils and ink pens.
5, insulating paper
Insulating paper is a general term for paper used for electrical insulation. Used as insulation material for cables, coils and other electrical equipment. In addition to good insulation and mechanical strength, they all have their own characteristics.