Specifications: Meltblown nonwoven is a high filtration efficiency material. It is widely used in facemasks and used as absorbent materials. Item: Meltblown (M/MM/MMM) Nonwoven Fabric Pruduce Feature: M=1 layer meltblown MM=2 layers meltblown MMM=3 layers meltblown It is a kind of high end filtration material with high filtration efficiency. It is currently widely applied in facemarks (used as 2nd layer in a facemask and used as abacterial filtration media) and used as filter cloth. It could also be applied as an absorbent materials, such as oil-absorbent and sound-absorbent materials. Meltblown Nonwoven, Filter Materials, Absorbent Materials