Good quality mask brands include 3M masks, Green Shield masks, Honeywell, UVEX, Kowa, Winner, IMPROVE, IMPROVE, Baiyuan Daily Necessities, Dettol, and Chaomei CM wait.
1. A mask is a sanitary product that is generally worn on the mouth and nose to filter the air entering the mouth and nose to block harmful gases, odors, droplets, viruses and other substances. Made of gauze or paper.
2. Masks have a certain filtering effect on the air entering the lungs. When respiratory infectious diseases are prevalent, wearing masks has a very good effect when working in dust and other polluted environments. Masks can be divided into air filter masks and air supply masks.
3. China was the first to use masks in the world. In ancient times, people in the court began to cover their mouths and noses with silk scarves in order to prevent dust and breath pollution. For example, "Book of Rites" records: "Cover your mouth for fear that your breath will touch others." "Mencius Li Lou" records: "Xizimeng If it is unclean, everyone will pass it by with their noses covered.
4. News on February 11, 2021. In order to ensure that the people have a happy, peaceful, healthy and safe New Year, on the eve of the Spring Festival, the State Administration for Market Regulation. The Ministry of Industry and Information Technology, the State-owned Assets Supervision and Administration Commission of the State Council, and the State Food and Drug Administration jointly issued a document to redeploy and strengthen the in-depth promotion of mask quality supervision, requiring all localities to adhere to equal emphasis on supervision and services, strengthen production source control, and focus on the circulation field. Supervise and inspect, crack down on illegal activities such as the production and sale of counterfeit and shoddy masks, and effectively safeguard the rights and interests of consumers; strengthen mask quality assistance, give play to the leading role of brands, and promote the improvement of mask quality.
Five and four department requirements. All localities attach great importance to it, effectively enhance their sense of responsibility and mission, and take effective measures to provide the people with safety guarantees for epidemic prevention supplies and serve the overall promotion of epidemic prevention and control and economic and social development.
6. Air filter masks are The most widely used category in daily work. The structure of an air filter mask should be divided into two parts. One is the main body of the mask, which can be simply understood as the frame of the mask; the other is the filter material part, including Filter cotton for dust prevention and chemical filter box for virus prevention, etc.