How much do you know from raw materials (wood pulp)

Speaking of copy paper, we think of a box of 5 packets of 500 sheets, white A4 paper, usually copying printed documents, copy paper wholesale today a brief talk about the raw materials of copy paper-wood pulp, copy paper we are very common every day, we can judge the quality of paper by the whiteness, thickness, dust and other quality of paper, how much do we know about the raw material of paper wood pulp?

Pulp is made from some plants as raw materials, and it is the basic raw material of papermaking. The plants usually used for pulping raw materials can be divided into four categories: stem fiber, phloem fiber, seed hair fiber and wood fiber. Among them, wood fiber is the most important. At present, China's wood resources are far from being able to meet the needs of the growing pulp and paper industry. In order to make up for the shortage of raw materials, a considerable amount of pulp is imported from abroad every year. Pulp import countries are: the United States, Canada, Finland, Sweden, Norway, New Zealand and Chile and other countries and regions. The main components of the fiber in the pulp are cellulose, as well as hemicellulose, lignin, resin, pigment, pectin and ash. Among them, cellulose and hemicellulose are the basic components needed for pulp, while other components are removed.