... .Geomembrane Width:1~8m 2.Geomembrane Thickness:0.5mm~2.5mm 3.Geomembrane ISO factory . HDPE Liner ... crack resistanceD5397(App.)300hr300hr300hrCarbon black contentD16032.0%2.0%2.0%Oxidative induction time(OIT)D3895100 min100min100minHDPE ... ASTM standard)geomembrane, 0.5mm,0.75mm,1mm,1.5mm,2.0mm,2.5mm,3.0mm,3.5mm,4.0mm smooth and ... product ISO High quality HDPE geomembrane(0.5mm-4mm) (supplier)