Can n95 masks be washed? How can n95 masks be reused? - famous medical mask stockv

Add Time:2022-01-12 Hits:31

Now n95 masks are very scarce. Although many people have n95 masks at home, but the number is not large, and they want to reuse them, some people will ask whether n95 masks can be washed? How to reuse n95 masks?

 

Can n95 masks be washed?

 

 N95 masks are not washable. At present, the filter cotton of many masks adopts the principle of electrostatic adsorption. If it is cleaned, the structure of the filter cotton may be damaged. The protective effect of the cleaned n95 mask will also be greatly reduced, and the fit of the mask will also be affected. If it is not replaced Masks can be sterilized with ultraviolet lamps or blown with hot air with a hair dryer for 5-10 minutes. Under normal circumstances, when any part of the n95 mask is found to be damaged, the mask should be stopped and replaced with a new one.

 

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Can n95 masks be scalded with boiling water?

 

 N95 masks are not recommended to be scalded with boiling water. The barrier layer in the middle of the n95 mask has the function of electrostatic adsorption, which can filter tiny particles. If it is scalded with boiling water, it will destroy the structure and function of the mask, which will reduce the filtering effect. It may also cause the mask to fail to return to its original state. , so that it cannot fit well with the face, and it will also affect the protective effect of the mask.

 

Can n95 masks be used repeatedly?

 

 In special cases, it can be used repeatedly, provided that the mask is intact and clean. In the following cases, a new mask should be replaced in time. For example, the respiratory resistance of the n95 mask increases significantly, the mask is damaged, and the mask is worn on the face. If the mask cannot fit on the face, the mask is contaminated, has contact with the source of infection or droplets, etc., in these cases, it is recommended to discard the mask and replace it with a new one in time.

 

How to reuse n95 masks

 

 Inside the mask is a layer of melt-blown non-woven fabric, which is an ultra-fine electrostatic fiber with electrostatic adsorption capacity. When the breathing current passes through the non-woven fabric, the air passes normally, and the dust droplets in the air will be electrostatically adsorbed on the surface of the mask. On non-woven fabrics, generally static electricity is present, and dust and bacteria will be on it. However, if static electricity encounters water, the mask will have no electrostatic adsorption effect. Masks without electrostatic adsorption capacity have no protective effect. Therefore, dry heat is generally used for mask disinfection. Ultraviolet sterilization or dry baking can be used. The mask can also be baked on a radiator at high temperature for half an hour. After dry heat disinfection, the mask can be reused.

      
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