The Protective Effect Of KN95 Protective Mask

The spread of the new coronavirus is spread through droplets and contact,KN95 Protective Mask and when this disease spreads, all ordinary residents can do is stay at home, do not go to crowded places,KN95 Protective Mask go out and wear good masks, go home Wash your hands first and open windows at home for ventilation. However, masks are disposable items. A mask is usually replaced after four hours of use, but now even the most common disposable masks are not enough,KN95 Protective Mask let alone medical masks.

The best protective mask is the medical n95 mask,KN95 Protective Mask but when the mask resources are scarce, the medical staff are not enough masks, we do n’t go to grab resources with them,KN95 Protective Mask we use the kn95 dust mask, kn95 Masks can block the spread of viruses and reduce the risk of disease. In general,KN95 Protective Mask the requirement of kn95 masks is filtration efficiency (dust suppression rate). The particle diameter must be less than 0.0075 microns. The diameter of influenza virus is mostly 80-120 nanometers,KN95 Protective Mask and the diameter of filamentous virus can be 4000 nanometers,KN95 Protective Mask which means that the virus can be protected. But for splashing body fluids, blood has not so strong protective effect.