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