Protective masks can effectively filter airborne particles, droplets, blood, body fluids and other pollutants, and the filtration rate of non-oily particles generally reaches more than 95%. Medical masks can also prevent external blood and water droplets from polluting the wearer, but their filtration rate for non-oily particles is generally above 70%.
The protective mask has a good fit with the wearer's face, can effectively filter particulates in the air, and block droplets, blood, body fluids and other pollutants, and the rate of non-oily particulates that this mask can filter generally reaches 95% The above is the N95 mask.
Medical masks generally refer to protective equipment used in hospital operating rooms or other environments with body fluids, droplets and splashes. This type of mask can also prevent external blood and water droplets from contaminating the wearer. Medical masks are effective against non-oily particles. The filtration rate is generally above 70%.
It should be noted that there is also a medical mask, which has a good barrier effect on blood, droplets and other substances, and at the same time has good air tightness. Masks of this level are usually used in general medical environments and can only be used under general conditions. Protective effects.