1, hemp
Paper made of hemp, the earliest raw material for papermaking in China, is soft, delicate and impervious.
2. Leather
During the Wei, Jin, Southern and Northern Dynasties, people added leather to the paper-making raw materials to make the paper more delicate.
3. rattan
Rattan paper is fine and durable. Rattan paper is used for official documents, books and paintings. The common rattan paper mainly includes rattan paper, rattan paper and rattan paper, but it is not easy to obtain materials.
4. Bamboo
Bamboo paper has the advantages of smoothness, ink feeding, peak pen reading, lasting comfort, durable ink, excellent ink absorption and water absorption.
Extended data
The modern papermaking process has been mechanized.
Ground wood pulp, also known as mechanical pulp, is a kind of wood fiber obtained by mechanical grinding force, which is mainly divided into general mechanical pulp, refined mechanical pulp and thermal mechanical pulp.
Chemical pulp is a chemical method to separate fibers from lignin to obtain wood fibers, which are mainly divided into alkali pulp, sulfite pulp, sulfate pulp and so on.
Semi-chemical pulp is a combination of mechanical pulping and chemical pulping methods, which can be further divided into neutral semi-chemical pulp, cold pulping and chemical mechanical pulp.