... .5mm 3.CE certified,high quality. Product Description: The geomembrane is a waterproof membrane made by polyethylene (PE), PVC ... of fill stations, chemical reactions pond, the lining of settling basin, second lining, etc)6.Mining (washing and selecting pool, ... heap pool, sherry, dissolving pool, settling basin, stock dump, lining of tailing pond, etc) 7.Agriculture (reservoirs, drinking water tank ...