Do you have stock of the following:
1) Name: Meltblown fabric (made of polypropylene)
2) Function: at least 25 grams weight per square meter (25gsm), protection level reaches BFE99;
3) Effect: bacterial filtration efficiency not less than 95%;
4) Filtration effect test: filtration efficiency of particulates above 0.3um can reach 95%. It can be used to make various medical-grade protective masks like N95, KN95, N90 and other filter materials.