Product Categories: Composite Film Series Product Description: Waterproof Composite Geomembrane: Composite geomembrane is an impermeable material made by bonding geotextile with geomembrane, mainly used for waterproofing. It is divided into one-geotextile-one-membrane and two-geotextile-one-membrane types, with physical and mechanical properties such as tensile strength, tear resistance, and puncture resistance.