The main components of the anti-seepage HDPE geomembrane are 97.5% high-density polyethylene, about 2.5% carbon black, anti-aging agent, antioxidant, ultraviolet absorber, stabilizer and other auxiliary materials. It is made by the world's first-class fully automated anti-seepage membrane production equipment and multi-layer co-extrusion technology. All products are produced in accordance with the US GRI standard and ASTM test standard, with complete specifications. The thickness of the smooth and rough anti-seepage membranes is 0.25mm-3.0mm, and the width is 4m-12m, which meets the application requirements of environmental protection, sanitation, water conservancy, construction, municipal engineering, gardening, landscape, petrochemical, mining, salt industry, agriculture, and aquaculture.