Specialty Fabrics Review March 2022 - 14

[ BRIEFS ] swatches
A selection of commercially
available face
coverings. Photo: Debora
Cartagena, USCDCP.
Study reveals most effective alternative
face coverings
s the Omicron variant surges, the CDC is expected to issue more robust mask guidelines.
When PPE is not available many people resort to homemade alternatives, such as
bandanas and neck gaiters. Seshadri Ramkumar, a professor in Texas Tech University's
Department of Environmental Toxicology, has co-authored a study (available at bit.ly/3AwpzPY)
evaluating these solutions as alternative materials for face coverings.
While a material's ability to filter out viral particles is paramount, breathability is equally
A
important. The study revealed an inverse relationship between filtration efficiency (FE) and
breathability. Denim, for example, showed the highest FE, but it also had the lowest breathability
of all household fabrics. According to the study, the most effective ready-made facial coverings
are Velcro©
masks with carbon filters and surgical masks, while the least effective are fashion
face masks, single-layer face coverings, neck gaiters and bandanas. The highest-performing
household materials were thick cotton shirts and towels, indicating that multilayered cotton
facial coverings with proper fit are the most effective homemade mask alternative because
they offer a measure of protection against viral particles without compromising breathability.
An approach using both a facial covering and a surgical mask with good fit would offer
the wearer better protection against particle inhalation, Ramkumar said.
14 SPECIALTY FABRICS REVIEW / March 2022

http://www.bit.ly/3AwpzPY

Specialty Fabrics Review March 2022

Table of Contents for the Digital Edition of Specialty Fabrics Review March 2022

Specialty Fabrics Review March 2022 - Cover1
Specialty Fabrics Review March 2022 - Cover2
Specialty Fabrics Review March 2022 - 1
Specialty Fabrics Review March 2022 - 2
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Specialty Fabrics Review March 2022 - Cover3
Specialty Fabrics Review March 2022 - Cover4
Specialty Fabrics Review March 2022 - Fabric Conference Brochure
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