Dust free paper, also known as dry papermaking nonwovens, is a kind of dry nonwovens. There are two main characteristics of dust-free paper: one is that the raw material is wood pulp fiber; The second is to adopt air flow network technology. The production process of nonwovens is mainly two processes: netting and reinforcement. Dry papermaking nonwovens are mainly produced by chemical bonding and thermal bonding. Dust free paper has unique physical properties, such as high elasticity, excellent softness, feel and sag, high water absorption and good water retention performance. It is widely used in health care products, special medical products, industrial wiping products and other fields.