Item unit specifications Wn015 wn022 wn028 wn035 wn042 wn056 wn070 wn160 note Md tensile strength [astm d 4595] Kn/m >= 20 30 40 50 60 80 100 160 Cd tensile strength [astm d 4595] Kn/m >= 15 22 28 35 42 56 70 112 Tensile elongation [astm d 4595] % > = 28 Md/cd Average Widths windage % -1.0 Cbr puncture resistance [astm d 6241] Kn>= 1.6 2.4 3.2 4.0 4.8 6.0 7.5 13.0 Pore size o90 (o95) [astm d 4751] Mm 0.08-0.5 Vertical permeability [astm d 4491] Cm/s k x (10-1-10-3) k=1.0-99 Uv resistance strength Retention [astm d 4355] % > = 70(500h) Tear strength [astm d 4533] Kn>= 0.3 0.45 0.5 0.6 0.75 1.0 1.2 1.5 Md/cd Average Physical identification properties Mass per unit area g/m2 120 160 200 240 280 340 400 700 Warp % ± 10 Standard roll width m() 5.8 5.8 5.8 5.8 5.8 5.8 5.8 5.8 Standard roll length m() 300 230 180 150 130 100 90 50 Approx. Loading q’ty per 40’ hq Sq.M 153, 120 117, 392 91, 872 76560 66, 352 51, 040 45, 936 25, 520 Approx load q’ty per 40’hq 56520, strength at 5% elongation, roll length (m) 100, roll width (m) 1-1.4, 2-3.2, standard roll width m( ) 5.8 5.8 5.8 5.8 5.8 5.8 5.8 5.8