Geomembranes is a kind of waterproof barrier membrane with high-molecular polymers as basic materials which can be divided into: Polyethylene (PE) products: Two cloths film one film(protective geotextiles are sticked to both sides of seepage-proof membranes) one cloth and one membrane(seepage-proof membranes)
GB/T17643-1998 type GH-I GB/T17643-1998 type GH-II type CJ/T234-2006 HDPE
Urban construction standards, American Standards, home 1 and 2 standards
