1. Thirty uses of paper: student textbooks, offset books, exercise books, packaging cartons, maps, high-gloss paper, napkins, kitchen paper, toilet paper, copy paper, nail polish paper, format paper, release paper, books, magazines, newspapers and periodicals, covers, illustrations, picture books, cellophane, wrapping paper and labels.

2. Classification of paper

(1) is divided into handmade paper and machine-made paper according to the mode of production. Hand-made paper is mainly made by manual operation, with curtain net frame and manual fishing one by one. Soft texture, strong water absorption, suitable for ink writing, painting and printing, such as China Xuan paper. Its output accounts for a small proportion of the total modern paper output. Machine-made paper refers to the general term for mechanically produced paper, such as printing paper.

(2) According to the thickness and weight of paper, it is divided into paper and cardboard. There is no strict difference between the two. Generally speaking, paper weighing less than 200g per square meter and cardboard weighing more than 200 g are called. Cardboard accounts for about 40 ~ 50% of the total paper output, and is mainly used for commodity packaging, such as cardboard for packaging.

(3) According to the purpose, it can be divided into wrapping paper, printing paper, industrial paper, office paper, cultural paper, household paper and special paper.