Geo-synthetic clay liner (GCL) is a new type of geosynthetic materials.It is by a layer of cay or other low permeability mineral material that covers of geotextiles or geomembrane, so it's a environmental ecological composite impervious material.According to engineering need, it still can cover HDPE membrane on the GCL. In order to adapt to the need of special environment, achiev- ing more ideal impervious effect.This product is good overall performance, high tensile and shear strength, intermediate clip seal- ing seepage prevention of bentonite of inorganic materials, treat water after inflation, produce highly hydration, forming impervi- ous to gel impervious body, at the same time this kind of bentonite and stored moisture absorption, the ability, the moisture con- tent can reach more 10 times than its weight , it has permanent waterproof properties.

GCL is a seepage control pad that intervenes GCL (site thick compaction clay seepage control pad) and polymer materials geomembrane. Mainly used in environmental engineering of waste landfills, underground reservoirs, underground infrastructure construction projects, solving the sealing, isolation, leakage problem, the effect is good, resist destructive.