Unit weight 4000 g/m2 gcl bentonite clay liner High quality width 1-4m china engineering safety ... weight 4000 g/m2 gcl bentonite clay linerSpecificationUnit weight ≥4000gsm,width of 4-6mCharacteristicsCompared with clay liner ,it has the advantages ... sealing solution ,segregation ,anti-leakage,good effect,anti-destructiveGCL (geosynthetic clay liner )Specification (JG/T193-2006) item GCL-NPGCL-OFGCL- ...