Smooth surface,strong anti-abrasion,good air permeability,high strength, fiber fabric,pp nonwoven fabric,PPS fabric. TS-PP4212 Material From: ... .Breaking Strength(N/5x20 cm)Breaking Elongation(%) Thickness(mm) Weight(g/m2) Air Permeability(200P)(L/m2*s)WarpWeftWarpWeft TS-PP4212 ... 33.2 1.35 420 124.8fiber fabric,filter cloth,fiber bag fabric.laminated filter fabric,Liquid filter bag.pp nonwoven ...