disposable face mask-medical pink medical mask masks medical silicone medical isolation mask

disposable face mask-medical pink medical mask masks medical silicone medical isolation mask
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Can disposable medical masks be reused?
There are two kinds of medical masks: one is a three layer medical surgical mask, and the other is a five layer medical N95 mask.
Both masks are made of non-woven fabrics. The most important non-woven fabric is melt blown non-woven fabric in the middle layer. Melt blown non-woven fabric can block viruses and bacteria through the barrier effect of fibers and electrostatic adsorption of fibers.
If we use boiling, alcohol spraying or ultraviolet light to disinfect used masks, theoretically, we can eliminate bacteria and viruses stuck on the masks. However, high temperature boiling and alcohol spraying will damage the fibers of melt blown non-woven fabrics, so the function of the masks will be reduced.
The fiber barrier and electrostatic adsorption of melt blown non-woven fabric have a certain degree of saturation. When it reaches a certain degree, it will no longer have the function of absorbing pathogens. Therefore, surgical masks must be replaced when they are used for four hours.
Only in the following cases can we consider reusing disposable medical masks: for example, if patients with respiratory infectious diseases must go to the hospital for medical treatment, but there is no new disposable mask, we can consider reusing disposable medical masks. The purpose of reusing masks is to reduce the possibility of these patients spreading droplets due to coughing or sneezing.