Smooth surface,strong anti-abrasion,good air permeability,high strength, and remarkable filtration effect,etc 38. ED3927 Model No.Breaking Strength(N/5x20 cm)Breaking Elongation(%) Thickness(mm) Weight(g/m2) Air Permeability(200P)(L/m2*s)WarpWeftWarpWeft TS-ED3927 4096.4 3722.9 47.8 21.2 1.00 576 15 TS-ED3927 FILTER FABRIC