Profession Surgical Mask Safety Face Mask Medical Masks Elastic Mouth Soft Breathable Antiviral Masks
- Operate: Private
- Amount: 20pcs/bag
- Mannequin Quantity: Medical surgical masks
- Materials: Meltblown fabric
- Merchandise Sort: 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: Below the situation of air stream (30 ± 2) L / min, the filtration effectivity for aerodynamic median diameter (0.24 ± 0.06) μm sodium chloride aerosol shouldn’t be lower than 30%; ❤Bacterial filtration effectivity: Below specified circumstances, the filtration effectivity of Staphylococcus aureus aerosol with a median particle diameter of (3 ± 0.3) μm shouldn’t be lower than 95%; ❤Respiratory resistance: below the situation of filtration effectivity and stream 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 strain of 16.0kPa (120mmHg), the internal aspect of the masks shouldn’t penetrate.