Surgical Masks Anti-Pollution Respirator Face Mask Medical Mask 3 Layer

About Medical Surgical Mask

❤Medical surgical masks are masks worn by medical employees at work. ❤It’s primarily utilized in medical clinics, laboratories, working rooms and different high-demand medical environments, with a comparatively excessive security issue and powerful resistance to micro organism and viruses. ❤Medical surgical masks can be used to stop the unfold of influenza and respiratory ailments.

The principle technical indicators of medical surgical masks

Medical surgical masks should adjust to China’s pharmaceutical business normal YY 0469-2011 “Technical Necessities for Medical Surgical Masks”. The principle technical indicators are as follows: (1) Filtration effectivity: Underneath the situation of air circulate (30 ± 2) L / min, the filtration effectivity for aerodynamic median diameter (0.24 ± 0.06) μm sodium chloride aerosol just isn’t lower than 30%; (2) Bacterial filtration effectivity: Underneath specified circumstances, the filtration effectivity of Staphylococcus aureus aerosol with a median particle diameter of (3 ± 0.3) μm just isn’t lower than 95%; (3) Respiratory resistance: beneath the situation of filtration effectivity and circulate charge, the inhalation resistance doesn’t exceed 49Pa, and the exhalation resistance doesn’t exceed 29.4Pa; (4) Penetration of artificial blood: After 2ml of artificial blood is sprayed on the outer aspect of the masks at a stress of 16.0kPa (120mmHg), the internal aspect of the masks shouldn’t penetrate.