2. Pharmacies or hardware tool stores can purchase masks or N95 gas masks. After using masks or N95 gas masks, it is necessary to place them in a separate area and do not contact with other objects.
3. Medical protective mask is a kind of close-fitting self-priming filtering medical protective equipment, which can effectively filter particles in the air and isolate droplets, blood, body fluids, and secretions. It is mainly used to prevent diseases and is useful for preventing armour flow.
4. Generally, defatted gauze mask is a protective health product, which has a certain filtering effect on microorganisms, droplets and dust in the air, but has no protective effect and is invalid for preventing armour flow.
5. Generally, civilian masks (cartoon masks) are a kind of daily health care products, mainly used to keep out the cold. There is no consistent request for their raw materials and specifications, and they are useless for disease prevention.
6. N95 masks, in line with the National Institute of Work Safety and Health (NIOSH) N95 approval, N95 specifications, use a particle airflow with a diameter of 0.075 microns to pass through the mask, and the isolation success rate is more than 95%, which meets the N95 standard (coronavirus) -The diameter of the source of swine influenza virus and SARS is about 0.1 to 0.12 microns). This kind of mask is high-performance medical, anti-virus, bacterial isolation, super comfortable mask, suitable for various occasions
