What is the meltblown cloth?
What is the meltblown cloth? Medical masks generally adopt a multi-layer structure, referred to as SMS structure: single-sided spunbond layer (S) on both sides, single-layer or multi-layer melt-blown layer (M) in the middle, the best material for melt-blown layer is melt Spray cloth. The main material that brings the virus filtering effect to the mask is the middle M layer-meltblown nonwoven