... :Function: Antiseepage and seperation. 2:thickness:0.2-3m HDPE Geomembrane:Usage:River Embankmenet,Lake Dam, Tailing Dam, Sewage Dam, Reservior ... swelling clay and collapsed loess water proof of fooftop.LDPE Geomembrane technical data: NumberItemValue1Thickness(mm) 0.2~3.02Width(m) 2 ... The range of Temperature,°c +70~ –70 High Quality hdpe geomembrane