bentonite Geosynthetic Clay Liner GCL

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.

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Brand:
Elt-GCL
Code:
ELT-4
属性:
属性值

Product Description

Geosyntheic Clay Liner (GCL)
-------EltGCL

Description:

Geosynthetic clay liner EltGCL 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.

Typical physical properties of Geosynthetic clay liner :

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

Potential Applications:

Geosynthetic clay liner mainly be used to prevent water leakages in areas of artificial lakes,
waste disposal fields,
underground garage, top building gardens,
reservoirs, oil warehouses, and chemicals accumulating fields.

Technical parameter of Geosynthetic clay liner :

PROPERTIES	Test Method	Typical Value
BENTONITE PROPERTIES
Bentionite Swell Index	ASTM D 5890	≥24ml/2g
Bentionite Fluid Loss	ASTM D 5891	≤18ml
Finished GCL PROPERTIES
Bentionite Mass/Unit Area	ASTM D 5993	≥3.6kg/sq.m
Peel Strength	ASTM D 6496	≥400N/m
Grab Strength	ASTM D 6768	≥6kN/m
Thickness	ASTM D 5199	6mm
Permeability	ASTM D 5084	≤5.0×10-11m/sec
Index Flux	ASTM D 5887	≤1.0×10-8m3/m2/sec
Geotextile PROPERTIES
Non-Woven Geotextile Mass	ASTM D 5261	≥200g/sq.m
Woven Geotextile Mass	ASTM D 5261	≥110g/sq.m
ROLL DIMENSIONS
Width	Normal	5.8m
Length	Normal	35.0m
Package	Normal	PE Film

Note:
1, The EltGCL Weight can do from 3600g/m2 to 7000g/m2.
2, The EltGCL is a reinforced GCL consisting of a layer of sodium Bentonite between a woven and non-woven geotextile, which are needle punched together.
3, we also have Needle punched and coated process GCL and Viscose pmcess GCL.