Sumary of Washing cloth masks doesn’t affect their filtering ability, confirms study:
- Turns out that washing and drying reusable cloth masks doesn’t affect their filtering ability.
- Listen to this article The reusable cloth masks people have been using for the past year or more may look a little worse for the wear.
- But new research from the University of Colorado Boulder finds that washing and drying them doesn’t reduce their ability to filter out viral particles.
- The study, published in the journal Aerosol and Air Quality Research, also confirms previous research that layering a cotton mask on top of a surgical mask–properly fit on one’s face–provides more protection than cloth alone.
- “That cotton mask that you have been washing, drying and reusing?
- ” Science for sustainability Since the start of the pandemic, an estimated 7,200 tons of medical waste has been generated every day–much of which is disposable masks.
- Image courtesy: Shutterstock “We were really bothered during the beginning of the pandemic when going out on a hike or going downtown, and seeing all these disposable masks littering the environment,” said Vance, who is also on the faculty in the environmental engineering program.
- So Vance was eager to join forces when scientists at the nearby National Renewable Energy Laboratory (NREL) approached her about studying how washing and drying impacts reusable cloth masks.