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Bentonite Waterproofing Geosynthetic Materials GCL Clay Liner For Ponds

Shandong Dageng Project Materical Co.,Ltd
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Bentonite Waterproofing Geosynthetic Materials GCL Clay Liner For Ponds

Brand Name : Dageng
Certification : ISO , CE
Place of Origin : china
MOQ : 5000 square meter
Payment Terms : L/C , T/T
Supply Ability : 50000 Square meter per week
Delivery Time : 5-8 work days
Packaging Details : Our packing is strong enough to withstand bumping and rough handling under normal condition. We can accept add customer's logo on the package.
Model Number : 4.0-5.5kg/Square Meter
Type : GCL
Unit weight : 4.0-5.5kg/Square Meter
Width : 3-6m (as requested)
Length : 15m,30m (as requested)
Material : geotextile and bentonite
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GCL manual plain trolley / single track trolley / Geared Trolley from Manufacturer


Geosynthetic Clay Liners 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.

For different projects,it can combine HDPE liner for better waterproof. 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. The excellent properties of tensile and peel strength make the products ideal for many projects.


Technique Data:


PropertyNational standardEnterprise StandardInspection standards
JG/T 193-2006
Geosynthetic Clay Expansionindex≥24 ml/2g≥25ml/2gASTM D5890
Mass Per Unit Area(g/m2)≥4800 g/m2≥4800 gm2ASTM D5993
Tensile Strength≥6KN/m≥8KN/mASTM 4632
Maximum load elongation≥10%≥10%ASTM 4632
Permeability≤5×10-9≤5×10-9ASTM D5084
Moisture content≤15%≤15%ASTM D4643
Peel strength≥40N≥65NASTM D4632
Hydrostatic pressure0.4Mp0.4~0.6MpASTM D5891


Features :


1. The permanent waterproof

Because sodium base bentonite is a natural inorganic material, even after a long time or the surrounding environment changes,

also won't happen aging or corrosion phenomena, so the waterproof performance persistence.

2. Compactibility

Sodium base bentonite under water pressure condition to form diaphragm with high density, thickness of about 3 mm,

its permeability is 5 x 10-11m/SEC below, equivalent to 100 times the compactness of 30 cm thickness of clay,

have very strong since the water retention performance.

3.Not affected by temperature


In cold climates will not brittle fracture.


4. Environmental protection

Bentonite as natural inorganic material, non-toxic harmless to human body, no special effects to the environment,

have good environmental performance.

5. Simple and short time of construction

Compared to other waterproofing materials, construction is relatively simple, don't need to be heated and paste.

With bentonite powder and nails, washers, etc are connected and fixed. After construction does not need special

inspection, if it is found that the waterproof defects and easy to maintenance.

GCL is existing waterproof material in construction period of the shortest.


GCL Application :

Geosythetic Clay Liners are widely used in waste landfill capping and cutoff walls to contain pollution,mining base seals, canal and dam liners, lakes and other waterproofing projects.



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