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Waterproof Sodium Bentonite Liner Geosynthetic Clay Liners GCL for Landfill Project

Bentonite Composite Waterproof Blanket is a special geosynthetic material used in artificial lakes and water features, landfills, underground garages, roof gardens, pools, oil depots and chemical dumps, etc. It is made of high expansion of sodium bentonite filled in a special composite geotextile and non-woven fabric between the needle-punching method into the bentonite impermeable mat can form many small fiber space, is the bentonite particles can not flow like a direction. When water is encountered, a uniform high-density gel-like waterproof layer is formed in the mat, effectively preventing water leakage.
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  • Geosynthetic clay liner

  • Zhongloo

Product Description

Geosynthetic clay liner is composed of high dilatability of sodium base bentonite filling between the special composite geotextile

and nonwoven fabric, made by the method of acupuncture or suture composite impervious material. Use acupuncture into

geosynthetic clay liner can form many small fiber space, make the bentonite particles can't flow in one direction, when under the

influence of water within the mat forming uniform density of colloidal waterproof layer, prevent the leakage of water.

For different projects,it can combine HDPE liner for better waterproof.


Technical parameter

Projects/ Technical data

Specifications

GCL-NP

GCL-OF

GCL-AH

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

0.4Mpa,1h,

not seepage

0.6Mpa,1h,not seepage

filtration loss (ml)

≤18

≤18

≤18

Bentonite durability (ml/2g)

≥20

≥20



Applications:

1.waterproof for rooftop garden,basement and so on;
2.waterproof forunderground,railway,city highway,oil drilling and so on;
3.Anti-seepage project of mud and stone reinforce
4.desert and environment improvement,trash stuff zone,artificial lake and artificial sight and so on; 5.reservoir,dam,irrigation channel and so on;



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