1. General medical mask
Ordinary medical mask is a common gauze mask, which has four layers, eight layers, sixteen layers and other specifications. It meets the relevant registered product standard (yzb), and generally lacks the filtration efficiency requirements for particles and bacteria, or the filtration efficiency requirements for particles and bacteria are lower than medical surgical masks and medical protective masks.
The protective effect of ordinary medical masks on pathogenic microorganisms is not exact, which can be used for one-time health care in ordinary environment, or the barrier or protection of particles other than pathogenic microorganisms such as flower powder.
2. Medical surgical mask
The mask is suitable for the basic protection of medical staff or related personnel, as well as the protection to prevent the spread of blood, body fluid and spatter during invasive operation. It meets the technical requirements of yy0469-2011 medical surgical mask. The technical indicators include filtration efficiency, bacterial filtration efficiency and respiratory resistance
3. Medical protective mask
Medical protective mask, also known as medical N95 mask, is suitable for medical staff and related staff to protect against airborne respiratory infectious diseases, with high protection level; it meets the technical requirements of gb19083-2010 medical protective mask, with technical indicators including filtration efficiency of non oily particles and airflow resistance.
Medical masks are cheap, depending on the ingredients. The price ranges from a few cents to dozens of yuan. The price of ordinary medical mask is 0.5 yuan / piece, medical surgical mask is 1-5 yuan / piece, and medical protective mask is 18 yuan / piece. In order to avoid the safety of the mask, purchase the medical mask at the legally operated drugstore, or from the manufacturer or agent with health license or medical device registration certificate.