... and rolling compacted concrete dam [Introduction]Geotec high(middle) density polyethylene geomembrane is made from HDPE resin and additives such asantioxidant ,light ... Thickness:0.5mm-2.5mm width:4-8mWeave type: Smooth geomembrane, textured geomembrane. [Characteristic]1.Low Permeability - HDPE lining systems are ... 40HC(m2)50,00034,00026,00017,00013,00010,000HDPE Geomembrane Composite geomembrane