HDPE anti-seepage film uses resin of polyethylene. The high density polyethylene is about 2.5%. Carbon black, inhibitor, antioxygen, ultraviolet light absorber, stabilizer and other auxiliary materials are made through three-layer co-extrusion technology. HDPE geomembrane is made from 97.5% high-quality polyethylene, 2.5% carbon black, microscale antioxygen and heat stabilizer through special co-extrusion technology.
