Geomembrane belongs to impermeable material.
The geomembrane is a kind of geosynthetics, including the geotextile, geogrid, geogrid, and so on. The geosynthetics is made of polyethylene, polypropylene, polyester and other plastic materials. The main function of the geotechnical membrane is seepage-proof, that is to say, preventing water from penetrating through. The most important material is polyethylene, other types are less in the total number, including PVC, EVA, EPDM.
