Specific structure of kn95 mask

Description：

4-ply design
Non-woven+Melt-blown x 2+Non-woven
Filtration Efficiency ≥95%
Standard:GB2626-2006 ;FFP2
Certificates:SGS ;CE ;FDA

Specific structure：

Medical masks and protective masks are non-woven materials, which are composed of directional or random fibers, usually multi-layer structure, mainly composed of three layers, usually called SMS structure. At present, the highest number of layers in China is 5 layers, namely smmms. The kn95 face mask with higher protection level is 5 layers. Two layers of melt blown cloth + two layers of non-woven cloth + one layer of hot air cotton can filter more than 95% of fine particles.