Specifications for High Density Polyethylene Geomembrane

Geomembrane- An essentially impermeable membrane of high density polyethylene (HDPE) containing 2 to 3 percent carbon black or titanium dioxide for ultraviolet light resistance. Geosynthetic Clay Liner (GCL)- Manufactured liner material consisting of a layer of granular bentonite affixed to a minimum average XXXX mil (XXXX mm) thick smooth ... ................
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