Composition of the fabric Nanovia AntiAllergy NW40:
Three-layered textile laminate SB/NV/SB (Polyprophylene Spunbond/Nanofibers layer/ Polyprophylene Spunbond)
Outer layer: PP SB 20 g/m2 (SB)
Inner layer: nanofibers layer of polymer PA6 (Polyamide 6) 0,2 g/m2 (NV)
Outer layer: PP SB 20 g/m2 (SB)
Structure of three-layered laminate Structure of nanofibers layer
The filtration efficiency of the material AntiAllergy NW40 was tested with these results Textile Testing Institute Brno and the Technical University in Liberec (filtration efficiency). Prague Public Health Institute tested the skin tolerability and possible allergic reactions.