Photo: blue nonwoven polypropylene with water droplets beaded up on it.

washable

Finding and Selecting Polypropylene for Washable Masks

In this post we discuss how we think about selecting spunbond nonwoven polypropylene (NWPP) fabrics for washable masks, where we have found spunbond NWPP, and why we’ve chosen Smart-Fab® Double-Thick for our next round of testing. Our Mission Our mission is to share information with the public about the best emerging mask science to help […]

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