... , high obstruction,high puncture-resistance,erosion resistance,aging resistance HDPE geomembrane Detailed Product DescriptionWe have GB1, GB2, GM13 standard. ... minerals storage and underground construction projects. Technical craft: The HDPE geo-membrane is produced by a method of three layer ... whose basic properties are kept during the producing process. HDPE Geomembrane, 2% carbon black, black color