Amazing work Shin Jie. Really awesome.

Averaging these data points, the mean filtration efficiency of an N95 is ~91%; surgical mask ~62%; air filter mask ~85%; non-woven cloth ~58%; microfiber ~41%; bedsheet ~29%; towel ~21%; paper ~37%; interfacing ~32%; cotton/synthetic mix ~18%; synthetic knit ~15%; cotton knit ~16%; cotton woven ~15%; chiffon ~15%; quilt fabric ~26%; silk ~8%; other natural fiber ~32%; other materials ~20%; non-woven + clothing (cotton) ~66%; non-woven + quilt fabric ~60%; non-woven + towel ~47%; non-woven + other natural fiber ~90%; paper + quilt fabric ~65%; paper + other material ~48%; synthetic knit + towel ~34%; synthetic knit + clothing (cotton) ~21%; at least three fabric types combined ~57%. (These numbers are written in order from left to right of the plot above, per the black dots.)
Cloth Mask’s Effectiveness Against Airborne Infection Is Questionable
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Shin Jie Yong, MSc (Res)
Alberto García 🚀🚀🚀
·Follow
Aug 28, 2021
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Amazing work Shin Jie. Really awesome.
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Written by Alberto García 🚀🚀🚀90K Followers
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Author. I write about spirituality, philosophy, and self-improvement. Learn how to use spiritual-help as a skill that generates wealth and happiness.
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