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