Research & InnovationScience Insider
Do you know the structure of the surgical mask we wear these days?
Vidunenahawula Website (National Institute of Fundamental Studies)
Do you know the structure of the surgical mask we wear these days? Surgical masks are made up of a multi-layered structure. The outer layer is a hydrophobic layer which, repels water, blood and body fluids. The middle filter layer that is designed to filter bacteria and the inner layer is also a hydrophilic layer, which absorbs water, sweat and spit.