3 ms·
T-shirt fabric was found to be 75% effective at stopping droplets from spreading in a study[1]. That’s pretty remarkable considering and 95 masks are 95%! I gue
by 3fe9a03ccd14ca5 7y ago
T-shirt fabric was found to be 75% effective at stopping droplets from spreading in a study[1]. That’s pretty remarkable considering and 95 masks are 95%! I guess that makes them N75 masks?
1. https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic https://www.researchgate.net/publication/258525804_Testing_t...
- gruez 7y agothe "95" part of N95 means it filters 95% of particles smaller than 0.3 microns. A sieve that can filter 95% of rice particles doesn't make a N95 mask either.