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  • Adding A Nylon Stocking Layer Could Boost Protection From Cloth Masks, Study Finds

    NPR - 04/22/2020

    Researchers at Northeastern University have found that adding an outer layer made from nylon stockings to a homemade face covering can boost its ability to filter out small particles in the air by creating a tighter seal between the mask and the wearer’s face. In some cases, that extra nylon layer helped homemade cloth masks match or exceed the filtering capability of medical-grade surgical masks.

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