... :0.5mm-3.00mm HDPE LDPE EVA LDPE LLDPE hdpe waterproof membrane 1)Thickness:0.75--3.00mm 2)Roll width:4 ... reservoirs of the substrate, slope protection, green lawn of the waterproof moisture, etc.). 5), Petrochemical (chemical plants, oil refineries, gas storage ... .Pa)≤1.0×10-1310Dimensional Stability (%)±2 china top hdpe waterproof membrane