Dry process paper is made from long fiber pulp through fiber A-dimensional dispersion and glue spraying (hot bonding). In the whole production process, air is used as the medium instead of water, so it is also called dry papermaking. Dust free paper is divided into m-30604060606090709 and other series, also known as dry papermaking nonwovens, which is a kind of dry nonwovens. Therefore, dust free paper is one of the application classification products of dry paper.