With innovative nanofiber membranes, cloth masks' efficacy goes up to 99%
Researchers have developed a nanofiber membrane that can be sandwiched between the cloth pieces in a homemade mask. These nanofibers make regular cloth masks as strong as N95 masks.
Researchers have developed a nanofiber membrane that can be sandwiched between the cloth pieces in a homemade mask. These nanofibers make regular cloth masks as strong as N95 masks.
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