The low-cost raw materials for papermaking in Cai Lun are bark, hemp head and fishing net. These raw materials are easy to obtain and don't need to spend a lot of money to buy. Compared with the previous diaosi, this really saves too much cost. Before papermaking was invented, silk could only be used by the royal family. On the other hand, bamboo slips are too big to record many words. So at that time, knowledge became a rarity for ordinary people. Papermaking invented by Cai Lun contributes to the spread of knowledge. It also saves the cost of making books in China.
Cai Lun's improved papermaking technology can be mass-produced in a short time. The craftsmen cut up the raw materials, put them in a big pool, and soaked the impurities in it to rot, so the fibers were not so easy to corrode and were preserved. Then put it into a stone mortar, stir it constantly to make it into pulp, then pick up these sticky pulp and dry it into paper, so that hundreds of sheets of paper can be produced in one cycle.
The paper is light and easy to carry. Before the invention of papermaking, people usually wrote with bamboo slips, which were heavy and difficult to carry. Several articles needed several bamboo slips. In addition to bringing inconvenience to people's lives, it is also not conducive to the spread of civilization. The paper made by Cai Lun's improved papermaking technology is light and easy to carry, and can record a large number of characters. Of course it will be accepted and respected by the public.
The great Cai Lun's papermaking is listed as one of four great inventions of ancient china, and its invention has made outstanding contributions to the spread of human culture and the progress of world civilization. So Cai Lun has been respected by people all over the world for thousands of years. To this day, we still believe that Cai Lun's contribution to the development of human history is outstanding. In the 100 celebrity list of Mike Harry's influence on the course of human history, Cai Lun ranks seventh. Cai Lun, the best inventor of all time selected by Time magazine, is also on the list. It can be seen that although nearly 2000 years have passed, Cai Lun's influence on the world is still obvious to all.