How to Make PPE (Personal Protective Equipment)
13/09/2020· Surgical masks are made using specialized machinery, then sterilized. Nonwoven polypropylene and textile material is fed from bobbins into machinery that cuts and ultrasonically welds it together. Surgical masks typically have one layer of textile material surrounded by other layers of nonwoven material on both sides, making for 3-4 layers total depending on the mask. The machine