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What is N95 mask used for?

Views:0     Author:Site Editor     Publish Time: 2020-12-17      Origin:Site

What is N95 mask used for?

N95 mask is a popular word at present, and it is also a protective mask that everyone wants to use. N95 gas masks and respirators are examples of personal protective equipment used to protect the wearer from airborne particulates and liquid pollution on the face. The Centers for Disease Control and Prevention (CDC), the National Institute of Occupational Safety and Health (NIOSH) and the Occupational Safety and Health Administration (OSHA) also regulate N95 respirators. Do you want to know about them? So, what is n95 mask used for? This article will briefly introduce it.


This passage is going to talk about the followings of N95 mask:

Description of N95 masks

Usage of N95 masks

Replace N95 masks

 

Description of N95 mask

N95 is a standard established by the American Institute of Occupational Safety and Health, that is, NIOSH. Masks that pass this standard can be called N95 masks. N95 is the lowest standard for infection protection in the standards established by NIOSH, so it is adopted by most medical institutions. N95 mask means that under the standard experimental conditions stipulated by NIOSH, it can resist 95% of bacteria, viruses, dust, etc. The filter layer of N95 mask uses N95 electrostatic melt blown material. Its biggest feature is that it can prevent the spread of infection through droplets. . N95 masks play an important role in epidemic prevention. Medical workers wearing N95 masks can effectively prevent the spread and spread of the disease. The N95 mask needs to have a barrier rate of 95% or more during the test, and when the wearer’s face is tested for tightness, it is ensured that the air can pass smoothly when it is close to the edge of the face.

N95 mask 

Usage of N95 masks

The spread of the new coronavirus requires a host vector. Once it leaves the body of the host (such as animals, humans), it will die in a short time, but the virus can be spread through contact (such as hand contamination), droplets, etc., including coughing, speech, the droplets produced when sneezing are the main carrier of transmission. If a new coronavirus carrier sneezes in a confined space (such as a train or airplane, etc.), the dropped droplets are easily inhaled by another person and may be infected. Therefore, it is necessary to wear a mask for protection.

Since the virus and its transmission medium (droplets) also exist in the form of particles, and the diameter of the particles is relatively small, the N95 mask filtering mechanism is to filter these fine particles through the high-performance filter material in the mask. The efficiency test method uniformly uses particles with an aerodynamic diameter of 0.3 microns, which is the most difficult to filter among the diameters of particles with a known normal distribution. At the same time, N95 masks also have strict requirements for their tightness. Therefore, wearing N95 masks correctly can reduce the exposure to pathogenic microorganisms in the air and effectively prevent viruses from entering the human body from the respiratory tract. However, the wearer should also pay attention to the prevention of hands and eyes, so as not to be infected by other means.

 

How often do I replace N95 masks?

Under normal circumstances, if it is used outdoors, such as subways, buses, supermarkets, shopping malls and other public places, N95 masks need to be replaced every 4-6 hours, but if it is in a new pneumonia virus-affected area, it is recommended to be in time in 2 hours Replace the N95 mask once.

 

We hope this article has helped you understand more about what is N95 mask. If you need N95 masks, do not hesitate to contact us. Our products will be your best choice.


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