Author: Eugenia O'Kelly; Sophia Pirog; James Ward; P John Clarkson
Title: Informing Homemade Emergency Facemask Design: The Ability of Common Fabrics to Filter Ultrafine Particles Document date: 2020_4_17
ID: 51thatw6_36
Snippet: When layered to create potential face mask configurations, common fabrics were able to achieve much higher levels of ultrafine particle filtration (see Figure 1 ). Some material combinations were able to filter out higher percentages of ultrafine particles than the surgical or N95 mask tested, although this should not be taken to mean they provide higher levels of protection from viruses. All fabric combinations scored between a 2 and 3 on the br.....
Document: When layered to create potential face mask configurations, common fabrics were able to achieve much higher levels of ultrafine particle filtration (see Figure 1 ). Some material combinations were able to filter out higher percentages of ultrafine particles than the surgical or N95 mask tested, although this should not be taken to mean they provide higher levels of protection from viruses. All fabric combinations scored between a 2 and 3 on the breathing resistance test, indicating they were more difficult to breathe through than an N95 mask.
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