Woven Vs Non-Woven Masks - Which is More Effective?
Woven Vs Non-Woven masks? This blog will explain the difference between these two types and eventually, give you a better understanding and help you make a better decision. Non-Woven Masks. Most disposable masks are made of melt-blown non-woven polypropylene (PP). Their density is about 20-25 grams per square meter.