What does a normal medical face mask do?

Ordinary medical face masks are mainly composed of face masks and pull straps. The face of the mask is divided into three layers: outer, middle, and inner. The outer layer is a special material antibacterial layer that can be easily filtered to prevent dust. The middle layer is an isolation filter layer to isolate the virus gas in the hospital air. The inner layer is skin-friendly material, which is comfortable and breathable, making people feel comfortable.

Ordinary medical mask is a multi-layer protective mask with a combination of knitted fabric, non-woven fabric and filter mesh. It belongs to the technical field of protective equipment and integrates permeability and sealing. It has the functions of protection against moisture, antibacterial and side leakage. At the same time, it also solves the problems of sweating and sweltering caused by the summer heat. The non-woven fabric layer uses nano-non-woven fabric to prevent Staphylococcus aureus and Mycobacterium tuberculosis in the air, which can easily cause pulmonary infection of Legionella. Kills and inhibits bacteria, and has the characteristics of washing resistance, long-lasting, and repeated use. It is layered with a variety of materials of the filter screen, and integrates permeability and sealing. It has the functions of protection against moisture, antibacterial, and side leakage, and also solves the problems of sweating and sweltering caused by summer heat. The non-woven fabric can be used to prevent Staphylococcus aureus and Mycobacterium tuberculosis in the air, which can easily cause lung infection, and prevent and kill bacteria. It has the characteristics of washing, long-lasting, and repeated use. .

How long can medical masks last

Medical protective masks are basically limited use or disposable, and cannot be reused after washing.

Medical protective masks currently on the market should have a high proportion of 3m1860N95 protective masks, which are used in epidemics such as bird flu, Ebola, and Middle East respiratory syndrome. It can generally be used for 8 hours, but medical protective masks If blood or saliva splashes become contaminated, they must be replaced immediately.

The above is a small series of medical protective masks for you to analyze how long the medical protective masks can continue to use, I hope to help you.