Specific structure of FFP2 KN95 Filtering Half Mask

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DESCRIPTION

Type: Folded
Level:FFP2
Certificates: CE/EUA
Standard:EN149:2001+A1:2009
Materials: Non-woven Fabric+Melt-blown fabric(5 layers)

 

Specific structure of FFP2 KN95 Filtering Half Mask：

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 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.