Product Introduction: HDPE geomembrane is one type of geomembrane, a class of geosynthetic materials. The application of geosynthetic materials originated in the 1950s. The development of geomembrane in China was part of the 1985 Plan. HDPE geomembrane is a waterproof and barrier material produced from (medium to) high-density polyethylene resin (with a density of 0.94g/cm³ or higher).