... raw material, such asPE, PVC, EVA, HDPE;2. Impermeability and Isolation as main function;3. Excellent flexibility, elogation and wear resistant. Features ... Good isolation and puncture proof;2. No chemical contamination;3. Excellent flexibility, elogation and wear resistant;4. Stable performance and good ... /24h waterproof6Puncture resistanceimpermeable7Shear state of the paste>=2.0N/mm HDPE Geomembrane