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Composite Geotextile Geosynthetic GCL Clay Liner For Landfill

Composite Geotextile Geosynthetic GCL Clay Liner For Landfill

Dam GCL Clay Liner

Landfill GCL Geosynthetic Clay Liner

Composite Geotextile GCL Clay Liner

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Geosynthetic clay liner

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Product Details
Model NO.:
Composite Geotextile
Natural Sodium, Geotextile, HDPE Membrane
HS Code:
Swelling Index:
24ml/2g Min
Landfill, Dam, Municipal
Product Description

Geosynthetic Clay Liner for Landfill Gcl


Product Description

Geosynthetic clay liners (GCLs) are high performance needle punched environmental reinforced composites which combine two durable geotextile outer layers with a uniform core of natural sodium bentonite clay to form a hydraulic barrier. Fibers from the non-woven geotextile are needle punched through the layer of bentonite and incorporated into the other geotextile (either a woven or non-woven).when hydrated under a confining load, the bentonite swells to form a low permeability clay layer with the equivalent hydraulic protection of several feet of compacted clay.


Technical parameter


Projects/ Technical data Specifications
Weight per unit area(g/m2) ≥4000g/m2
Bentonie swell index(ml/2g) ≥24 ≥24 ≥24
Ethylene blue absorption(g/100g) ≥30 ≥30 ≥30
Tensile strength (N/100mm) ≥600 ≥700 ≥600
Racking strength(N/100mm)
(for nonwovwn and woven fabric)
≥40 ≥40 -
Racking strength(N/100mm)
(for HDPE films and nonwoven fabric)
  ≥30 -
Permeability(m/s) ≤5.0x110^(-11) ≤5.0x110^(-11)  
Anti-static water pressure


not seepage

0.6Mpa,1h,not seepage
Filtration loss (ml) ≤18 ≤18 ≤18
Bentonite durability (ml/2g) ≥20 ≥20 ≥20



1. Improved leakage performance
2. Permanent waterproof performance
3. Simple construction and short time limit for a project.
4. Not influenced by air temperature.
5. A kind of green material and good to environmental protection.
6. More versatile than compacted clay
7. Increased airspace and liner efficiency

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