MATERIAL WORLD: The best and worst of DIY coronavirus masks
- Publish Date
- Wednesday, 29 April 2020, 11:59AM
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Materials like coffee filters perform exceptionally well at filtering tiny particles, but they are so difficult to breathe through they aren’t practical for making face masks. Based on a combination of breathability and filtration effectiveness, the best materials for homemade masks are:
- Denim (10oz)
- Bed sheets (80-120 thread)
- Paper towel
- Canvas (0.4-0.5mm thick)
- Shop towel
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*** Researchers say that scarves rank among the poorest at capturing virus-sized particles ***
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