About Medical Surgical Mask

☻Medical surgical masks are masks worn by medical workers 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 will also be used to forestall the unfold of influenza and respiratory ailments.

The primary technical indicators of medical surgical masks

Medical surgical masks should adjust to China’s pharmaceutical business customary YY 0469-2011 “Technical Necessities for Medical Surgical Masks”. The primary technical indicators are as follows: ☻Filtration effectivity: Beneath the situation of air movement (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%; ☻Bacterial filtration effectivity: Beneath 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%; ☻Respiration resistance: beneath the situation of filtration effectivity and movement fee, 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 facet of the masks at a stress of 16.0kPa (120mmHg), the internal facet of the masks shouldn’t penetrate.