... non-woven geotextile, fiberglass meshmembrane material(synthetic polymers): HDPE, LDPE, CPE, EVA, PVC etc.process: ... .50.60.811.21.41.6Composite geomembrane is geosynthetics combined by more than two ... High puncture resistance, high friction coefficient7) Used in water conservancy, chemical, construction, transportation, subway, tunnel, landfill and other projects. high impermeable composite geomembrane ...