Right. I'd say polypropylene spunbond-meltblown-spunbond design is just a safe choice for non-reusable medical masks. It's not necessary, and especially for gen

Right. I'd say polypropylene spunbond-meltblown-spunbond design is just a safe choice for non-reusable medical masks. It's not necessary, and especially for general population, for that just spunbond alone should be enough which is in abundance and there are other polymers too. And the masks should be treated as reusable outside of hospitals, polypropylene is safe to boil.