Filter membranes are commonly used for filtration in many areas of the bio- and pharmaceutical technology industry, including the food and beverage industry, biotechnology and drinking water treatment.
The mask membrane filter material is among them.
Masks can filter viruses, mainly from the key material-mask membrane filter material.
The material is polypropylene, which is made of extremely fine interwoven fibers. The average diameter of the fibers is about 2 μm. The material has been treated with stationary surface to make it electrostatically charged to enhance the adsorption capacity of dust and particulate matter.
Currently, there are cotton masks, paper masks, activated carbon masks, sponge masks, medical surgical masks and N95 masks on the market.
But only medical surgical masks and N95 masks can prevent infectious diseases.
Medical surgical masks are generally used in high-demand environments such as medical clinics, laboratories, and operating rooms, and are masks worn by medical staff when working.
The safety factor is relatively high, and it has strong resistance to bacteria and viruses.
Medical surgical masks can also be used to prevent influenza.
The mask membrane filter material made by mechanically stretching PTFE material can ensure the complete interception of bacteria and other impurities, and at the same time have a large flux.
The material is resistant to high temperatures, strong acids and alkalis, and has wide chemical applicability. When used for gas filtration, it can achieve 100% retention of various phages, bacteria and particles above 0.02um.
PTFE microporous membrane has high filtration efficiency and can meet the filtration efficiency level requirements of sub-high efficiency, high efficiency and ultra high efficiency air filters.
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