The Geomembrane liners are plastic sheets or films made of High Density Polyethylene(HDPE), Low density Polyethylene(LDPE) and linear low density polyethelene(LLDPE) by film blown or extrusion process. HDPE Geomembranes are the most popular anti seepage material.They are the high density version of PE plastic and is harder and denser than the LDPE.Their main component is 97.5% HDPE resin,about 2.5% is carbon black, anti aging component, anti oxidizing component, UV absorbent and stabilizer and so on.They aremanufactured under permanent quality control and comply with national and international standards.