In recent years, with the development of dry forming technology, the development of hot-melt fiber, glue agent and reinforcement means, the manufacturing of dry paper has developed greatly, and the product performance has been greatly improved. With the enhancement of environmental protection awareness, People also pay some attention to dry papermaking products and their manufacturing technology. Therefore, dry papermaking technology and its products have been rapidly developed and applied in some fields.

Dry process papermaking is called air laid paper in Europe and Japan In the United States, it is called dry formed paper, which means dry formed paper. In October 1989, Taiwan introduced a 700ot / a dry paper production line from Danish M & J company and named its product "dust-free paper"

Dust free paper can be produced by dry process or wet process. Similarly, dry process can not only produce dust-free paper. Therefore, Ningxia in 1995 The equipment and technology introduced by Zhongshi and the products produced should be called dry process papermaking equipment, dry process papermaking technology and dry process paper respectively.

The dry papermaking process differs from the wet papermaking process in that:

First, air is used as the dispersion medium. It is not dehydrated during forming. Vacuum suction is used to make the fibers deposit evenly on the net to form a paper web;

Second, the combination between fibers is different due to raw materials. Only a small part of this combination depends on hydrogen bonding platform, and mainly depends on adhesives or hot-melt fibers to produce glued paper and hot-melt paper respectively. Its original branch can be chemical fiber, synthetic fiber, resin, pulp, etc.