The validity period of unopened medical masks is 2-3 years. The specific production date and expirat...
N95 masks have a preference for isolation compared to disposable medical masks. It is best for healt...
An N95 mask's material and filtration ability aren't “going to degrade unless you physically rub it ...
N95 respirators protect against exposure to airborne particles.
Medical surgical masks are divided into three layers: the outer layer is a water-blocking layer (ant...
The production of medical masks also has requirements for the production environment.