Face mask is a kind of sanitary product, generally refers to a device that is worn on the nose and mouth to filter the air entering the nose and mouth, so as to block harmful gases, odors, and droplets from entering and exiting the wearer's mouth and nose. Face masks have a certain filtering effect on the air entering the lungs. When respiratory infectious diseases are prevalent and when working in a polluted environment such as dust, wearing a mask has a very good effect.
Face masks are divided into medical masks and non-medical masks, (and the latest) civil sanitary masks. It is roughly divided into the following three categories:
N series: no time limit for protection of non-oily suspended particles
R series: Protect non-oily suspended particles and sweaty oily suspended particles for a period of eight hours
P series: protection of non-oily suspended particles and sweaty oily suspension
The following is about Medical Grade Face Mask related, I hope to help you better understand Medical Grade Face Mask.
KN95 face masks level respiratory protection: our face mask filtering efficiency up to 95%, mesh breathable composite fabric, suitable for all seasons (basically no need to consider season changing factors). 3-dimensional riding mask with three-dimensional filter, tight fit, anti-pollen, anti-dust, anti-fog Mask.
Face mask coronavirus is made of 99% non-woven material, they are featuring good skin tolerance and comfortable to wear. Three layers of protection to effectively prevent bacterial 95% of invasion, Pleated structure design increase the protected area, multi-pleated design has more internal space, not afraid to stick lips.