What are the characteristics of ordinary medical masks? Can you filter smog? How to ensure its hygiene?


Release time:

2024-03-14

What are the characteristics of ordinary medical masks? Can you filter smog? How to ensure its hygiene? The characteristics of ordinary medical masks are as follows: 1. ordinary medical masks are light, comfortable, tasteless, glass fiber free, non-ci skin, waterproof. 2. Soft and comfortable ordinary medical mask adjustable nose clip. 3. Breathing resistance should be small, and it should be hygienic to wear. Aerosols, dust, tobacco, mist, toxic gases and toxic vapors are absorbed by the filter material to prevent them from being inhaled by people.

What are the characteristics of ordinary medical masks? Can you filter smog? How to ensure its hygiene?


The characteristics of ordinary medical masks are as follows:


1. ordinary medical masks are light, comfortable, tasteless, glass fiber free, non-ci skin, waterproof.


2. Soft and comfortable ordinary medical mask adjustable nose clip.


3. Breathing resistance should be small, and it should be hygienic to wear. Aerosols, dust, tobacco, mist, toxic gases and toxic vapors are absorbed by the filter material to prevent them from being inhaled by people.

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4. Filtration efficiency: under the specified conditions, protective equipment to filter out particles in the air;


5. Flame retardant performance: protective products to prevent themselves from being ignited, burning and flame retardant performance;


6. Disinfection: killing or removing pathogenic microorganisms on the medium by physical or chemical methods to make them harmless;


7. Sterilization: kill all microorganisms on the culture medium by physical or chemical methods to make them sterile;


8. can achieve the role of dust.


Can ordinary medical masks filter smog?


Ordinary medical masks are made of three-layer materials, the inner layer is mostly non-woven fabric, the middle layer is ultra-fine polypropylene meltblown material layer, and the outer layer is non-woven fabric or ultra-thin polypropylene meltblown material. It has a significant filtering effect on the small virus aerosol or harmful dust in the dawn hydraulic filter element, and the blocking filtering efficiency of non-oily particles in the air is 95%.


Although ordinary medical masks have good filtering properties, they cannot be completely filtered. Because the haze not only contains non-oily particles, such as dust, acid mist, coal dust, cement dust, microorganisms, etc.; also contains oily particles, such as oil fume, oil mist, asphalt smoke, coke oven smoke, diesel engine exhaust, etc. For oily particles and gaseous chemicals, ordinary medical masks cannot completely filter out.


How can we ensure the hygiene of ordinary medical masks?


When we wear ordinary medical masks, ordinary medical masks directly contact our oral cavity, nasal cavity and other parts, so it is very important to maintain the hygiene of masks. Pay attention to some details in the process of wearing masks. The front and back sides of the mask cannot be used alternately. Doing so will cause the dirt on the outer layer of the mask to be inhaled into the human body when it is directly close to the face, becoming an indirect source of infection. When not wearing a mask, fold it in a clean envelope with your face close to your mouth and nose. Never put it in your pocket or hang it around your neck.


The general medical mask has three parts: window mask, inner mask and filter element.


General medical masks clean dust method: now dust masks to meet GB2626-2006 standards. General medical masks are divided into KN100, KN95 and KN90. Among them, the protective effect of KN100 on ultrafine dust is close to 99.97%. If the particle size is large, KN95 grade can be selected. The protective effect depends on two aspects. One is the filtration efficiency of the cotton filter. The second is the air leakage rate after the mask matches the face.


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