FromtheresultsshowninTable2andFigure6, it is obviousthattheweavetypeandfabricdensityalsohave importanteffectsontheairpermeability. It isevident thatfabricswovenatlowerdensities(22/15),whichhave thelowestnumberofporesbutthebiggestdiameterof pores,allowthehighestairpermeabilityandviceversa.