Meltblown nonwoven or meltblown filter for making mask

isolate bacteria, filter virus, isolate heat and keep warm

Features
1) MB fabric, with 2um diameter
2) Water resistant, air permeability,high filtration
3) Can isolate bacteria, filter virus, isolate heat and keep warm
4) No harm, no poison
5) Basic weight of melt blown:10-500gsm
6) Width of mother rolls:1000mm-2400mm