... High Density Polyethylene resins. The surfaces of both sides are smooth and The products are manufactured by the technology of coextrusion ... . Application The projects of Landfill site, bank, dam, storage reservoir, channel, irrigation, highway, railway, tunnel, drinking tank, salt field bittern pan ... lake and riverway etc. 5.9mx100m/Roll ,0.2mm thickness, smooth HDPE Geomembrane