Geosynthetic Clay Liner ( GCL )

Geosynthetic clay liner (GCL) is a non woven fabric-like material, primarily used for the lining of landfills.
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Geosynthetic clay liner ( GCL) , is a reinforced GCL consisting of a layer of sodium bentonite between a woven and a non-woven geotextile, which are needle punched together.

Geosynthetic Clay Liners (GCL) are high performance geocomposites that are used as an alternative to conventional compacted clay liners. Geosynthetic Clay Liners (GCL)consist of two layers of geotextile stitched together enclosing a layer of processed sodium bentonite. Bentonite is a natural sealant, and when in contact with water, swells to form a low permeability clay liner.Geosynthetic Clay Liners (GCL) have a long lasting resistance to physical and chemical break-down in harsh environments such as landfills and other containment systems.
 

The Bentonite Mass unit weight from g/m2 to g/m2. 
 

The Nonwoven Geotextile unit weight from 210g/M2 To 250g/M2
 

The Woven Geotextile Unit weight from 110g/M2 To 150g/M2.
 

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Geosynthetic clay liner

Geosynthetic Clay Liners (GCLs) are geotextile and bentonite composites (typically sodium bentonite sandwiched between two layers of geotextile) engineered for a variety of environmental containment applications. The geotextiles offer a long lasting resistance to physical or chemical break-down in harsh elements, while the bentonite's high swelling capacity and low permeability provide an effective hydraulic seal.

GCLs provide an excellent alternative to conventional Compacted Clay Liners by replacing a thick section of compacted clay with a thin layer of pure sodium bentonite. Benefits include easy installation, better hydraulic performance and resistance to varying weather conditions. Installation for most GCL projects can be completed by construction personnel using conventional equipment. GCLs also have unique self-sealing attributes, reducing the risk of failure due to adverse field and operating conditions.

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