Compacted with clay liner ,it has the advantages of small size ,light weight,good flexibility and seal ,easy for construction and suitable for uneven settlement . This product mainly suitable for the artificial lake, the trash landfill, the roof garden, the basin and other ordinary basic level to impermeably processtechnical specification :MATERIAL PROPERTYTEST METHODREQUIRE VALUESBentonite Swell IndexASTM D 589024ml/2g minHydrous Rate(%)ASTM D 464312 maxBentonite Fluid LossASTM D 589118ml maxTensile StrengthASTM D 463210.5KN minPeel StrengthASTM D 463265.8N minBentonite Mass/sqmASTM D 50845kg/sqm minGCLs PermeabilityASTM D 58875×10-9 cm/sec max