... geotextile as the base,and polyethylene (PE),PVC membrane, etc. as membrane materials. The product is formed after the processes ... 3.Creep, corrosion and abrasion resistance 4.Excellent drainage, separation,filtration,reinforcement and seepage-proofing performance. 5.Safe and easy ... 1.One piece of geotextile and one piece of membrane:Weight of base geotextile:100-1000g/m2;Thickness of geomembrane ...