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3 Ply Disposable Face Masks Surgical Medical Masks with Elastic Ear Loop

3 Ply Disposable Face Masks Surgical Medical Masks with Elastic Ear Loop

$9.99$31.80

  • Medical surgical masks are masks worn by medical staff at work.
  • It is mainly used in medical clinics, laboratories, operating rooms and other high-demand medical environments, with a relatively high safety factor and strong resistance to bacteria and viruses.
  • Medical surgical masks can also be used to prevent the spread of influenza and respiratory diseases.
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Description

Medical surgical masks must comply with China’s pharmaceutical industry standard YY 0469-2011 “Technical Requirements for Medical Surgical Masks”. The main technical indicators are as follows:

  1. Filtration efficiency: Under the condition of air flow (30 ± 2) L / min, the filtration efficiency for aerodynamic median diameter (0.24 ± 0.06) μm sodium chloride aerosol is not less than 30%;
  2. Bacterial filtration efficiency: Under specified conditions, the filtration efficiency of Staphylococcus aureus aerosol with an average particle diameter of (3 ± 0.3) μm is not less than 95%;
  3. Breathing resistance: under the condition of filtration efficiency and flow rate, the inhalation resistance does not exceed 49Pa, and the exhalation resistance does not exceed 29.4Pa;
  4. Penetration of synthetic blood: After 2ml of synthetic blood is sprayed on the outer side of the mask at a pressure of 16.0kPa (120mmHg), the inner side of the mask should not penetrate.

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