At a time when supplies of personal protective equipment are in high demand and, in some cases, hard to come by, researchers at a B.C. university are working on prototypes for an N95 mask which is also biodegradable.
The mask which was dubbed the Canadian mask or Can-Mask has a frame made of B.C. wood fibers such as spruce, pine, cedar, and other softwoods. One of the prototypes incorporates a commercial N95 filter while another has a filter made from wood-based products.
Chemical and biological engineering associate professor Johan Foster from the University of British Columbia stated that researchers started creating a mask back in March. They knew early on that they need a solution that utilizes local materials, easy to produce and inexpensive, with the added bonus of being fully compostable and biodegradable.
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https://www.livescience.com/are-face-masks-effective-reducing-coronavirus-spread.html
https://www.medicalnewstoday.com/articles/types-of-face-mask
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