Disposable mask is a kind of protective article that workers must wear while working. It is mainly used in laboratories, operating rooms, factory and other high-demand environments, with a relatively high safety factor and strong resistance to dust, bacteria and viruses. 

Disposable mask is designed for three nonwoven breathable layers. The outer layer has waterproof function of preventing airborne particles, droplets, blood, body fluids, secretion droplets and etc. from entering the mask. The middle layer has a filtering function to block> 90% of 5μm particles;