COVID-19 Insights: Homemade Masks BEST MATERIAL

Best material for homemade masks are 100% cotton T-shirt (double layer,) or antimicrobial pillow case, or dish-towel (t-towel).

Here is the reference to various studies for the material I discussed.

Wear masks. Also glasses on the eyes.

Breathing ease or difficulty
Leakage
Material price
Access to the material

Surgical masks 3x better in stopping the expulsion and transmission
Surgical masks 2x as much inward protection

WHO does not know:
https://www.who.int/news-room/q-a-detail/q-a-coronaviruses
No data for the virus’ viability and life on fabric
https://www.health.com/condition/infectious-diseases/coronavirus/how-long-does-coronavirus-live-on-clothes

surgical masks are made with non woven polypropylene material (20-25 grams per square meter) made with melt blown technique.

Melt blown technique
Melted plastic is extruded on a conveyor. Material is extruded in a web. Strands bond with each other as they cool.
https://www.youtube.com/watch?v=F75Q4wFaOGg
Research for the home made masks by Davies et. al
Bacteria used bacillus atropheus 0.95-1.25 micrometer
Bacteriophage MS2 non enveloped single stranded RNA bacteriophage 23 nm
https://www.researchgate.net/profile/Katy-Anne_Thompson2/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic/links/53fefd8f0cf21edafd154e85/Testing-the-Efficacy-of-Homemade-Masks-Would-They-Protect-in-an-Influenza-Pandemic.pdf
Various materials for the home made masks
https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/

https://smartairfilters.com/en/blog/paper-towel-effective-against-viruses-diy-mask/
Kitchen paper towels are able to capture 23% particles. Double layer could capture 33%

Fit test
https://www.youtube.com/watch?v=u0eqkRPaz6g

How to make masks
https://docs.google.com/document/d/1EWpWmyjzM4sNBF-7jp_1Y9a-pqiRg0wakGXy7kj11RA/edit

Видео COVID-19 Insights: Homemade Masks BEST MATERIAL канала Drbeen Medical Lectures