... 5mm 5. It is cheaper than hdpe geomembrane Water proof LLDPE geomembrane 1.Feature:Good mechanical properties, high tear strength, flexibility ... of specifications and low cost, simple construction.2.Product Application:1) environmental protection, sanitation (such as solid waste landfills, ... of water vapor permeability (g.cm/cm2.s.Pa)‹1.0 × 10-137Range of operating temperature °C+70 through ...