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Classification of paper
The handmade paper is mainly made by manual operation, using the curtain net frame and manual fishing one by one. Soft texture, strong water absorption, suitable for ink writing, painting and printing, such as Chinese rice paper. Its production accounts for a small proportion of the total production of modern paper. Machine-made paper refers to the general term for paper produced in a mechanized way, such as printing paper, wrapping paper, etc.
There are many kinds of paper, and the classification methods are not consistent. There are 3 kinds of customary classification methods:
1. According to the production method, it is divided into handmade paper and machine-made paper.
The handmade paper is mainly made by manual operation, using the curtain net frame and manual fishing one by one. Soft texture, strong water absorption, suitable for ink writing, painting and printing, such as Chinese rice paper. Its production accounts for a small proportion of the total production of modern paper. Machine-made paper refers to the general term for paper produced in a mechanized way, such as printing paper, wrapping paper, etc.
2. According to the thickness and weight of the paper, it is divided into paper and cardboard.
cardboard
There is no strict distinction between the two. Generally, the weight less than 200g per square meter is called paper, and the above is called cardboard. Cardboard accounts for about 40-50% of the total paper output, and is mainly used for commodity packaging, such as box board, packaging board, etc. Internationally, paper and cardboard are usually counted separately.
3. According to the use, it can be divided into: packaging paper, printing paper, industrial paper, office paper, cultural paper, household paper and special paper.
Packaging paper: white cardboard, white cardboard, kraft cardboard, kraft paper, corrugated paper, boxboard, teaboard, parchment, chicken skin, cigarette paper, silicone oil, paper cup (bag) base paper, coated paper, cellophane , Oil-proof, moisture-proof paper, transparent paper, aluminum foil paper, trademark, label paper, fruit bag paper, black cardboard, color cardboard, double gray paper, gray board paper.
Printing paper: coated paper, newsprint, light-coated paper, light-weight paper, double-coated paper, writing paper, dictionary paper, book paper, Daolin paper, beige Daolin paper, ivory white Daolin paper.
Industrial paper (mainly refers to special paper that is also processed into writing, packaging, etc.): release paper, carbon paper, insulating paper, filter paper, test paper, capacitor paper, platen paper, dust-free paper, impregnated paper, sandpaper , Anti-rust paper.
Office and cultural paper: tracing, drawing paper, copy paper, art paper, carbon paper, fax paper, printing paper, copy paper, photo paper, rice paper, thermal paper, color inkjet paper, film paper, sulfuric acid paper.
Household paper: toilet paper, facial tissue, napkins, diapers, sanitary napkins, wet tissue paper.
Special paper: decorative base paper, water pattern paper, leather pattern paper, gold and silver cardboard, pattern paper, anti-counterfeiting paper.
