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The Difference Between the N95 Medical Mask and Ordinary Mask

The Difference Between the N95 Medical Mask and Ordinary Mask

19/01/2022

By

Winner Medical

The Difference Between the N95 Medical Mask and Ordinary Mask

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The Difference Between the N95 Medical Mask and Ordinary Mask

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Medical masks are usually high-efficiency electrostatic filter materials, and after disinfection, they can kill or remove pathogenic microorganisms on the media. At the same time, they can also prevent dust. Because of the low respiratory resistance, they are hygienic to wear. The aerosol, dust, smoke, mist, poisonous gas and poisonous vapor are adsorbed by the filter material to block it from being inhaled by people, effectively isolating the source of pollution.


1. The difference between N95 medical mask and ordinary mask: application


N95 medical masks are the highest level of protection among medical masks. They are suitable for medical staff and related staff to protect against airborne respiratory infectious diseases, with a filtering effect of greater than 95%.


The N95 medical mask models used in the CDC, medical and epidemic prevention and hospital fields include 3M1860 masks, 3M9132 masks and Bacou (Honeywell) H801 masks on the 3M official website. Among them, the first two are in line with the US NIOSH N95 certification and the China Food and Drug Administration SFDA certification.


Ordinary masks are fiber masks with printed patterns, which look very beautiful. Its principle is a mechanical blocking effect. Large particles can be blocked by layer by layer mechanical blocking, but particles with a diameter of less than 5 microns cannot be blocked, let alone PM2.5 particles, so ordinary masks need Wear 16 layers to achieve the effect of a medical mask.


2. The difference between N95 medical mask and ordinary mask: design


Medical protective masks are not allowed to have an exhalation valve. This is because when medical protective masks are allowed to be used as surgical masks, if you wear a mask with an exhalation valve, the microorganisms carried in the exhalation will be directly discharged out of the mask, posing a threat to patients undergoing surgery. Many industrial protective masks have an exhalation valve design, but the price of dust masks with an exhalation valve is much higher than those without valves.


Principles for selecting medical masks: gauze masks or disposable surgical masks can be worn for general medical activities. Wear a surgical mask when working in the operating room or nursing patients with weakened immune function, and when performing body cavity punctures. Medical protective masks or N95 medical masks must be worn when contacting patients with respiratory tract infections spread by air or droplets, and when contacting patients with major epidemics (such as SARS, Ebola virus protection, etc.).

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