Scientists Create Reusable Masks for Essential Workers

One of many struggles essential workers have faced throughout the pandemic is finding adequate supplies of personal protective equipment (PPE) to keep them safe while doing their jobs. Workers have been forced to reuse the same masks, even when they are not designed for reuse.

Researchers from the Massachusetts Institute of Technology and Brigham and Women’s Hospital in Boston have developed the iMASC, a silicone mask that offers a level of protection comparable to N95 respirator masks but, unlike N95 masks, can reused without fear of contamination, CNN reports.

N95 masks are considered the most effective face covering and can catch up to 95% of particles. But they’re not made to be sterilized and reused.

 The iMASCs are based on the shape of a typical N95 mask, but they are made with silicone rubber that can be sterilized using several different methods, such as running them through a steam sterilizer, putting them in an oven, and soaking them in bleach or isopropyl alcohol. In addition, the dual filters that cover the mouth can be replaced after each use.

Researchers 3D printed the material used for the iMASCs and tested them with essential workers, who scored the mask for breathability, fit, and ease of filter replacement. Most of the workers either had no preference between the iMASC and a regular N95 or preferred the new mask.