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Bentonite Waterproof Pad GCL Geosynthetic Clay Liners With HDPE Geomembrane
Geosynthetic Clay Liner Description
Geosynthetic clay liner with PE Geomembrane 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 geotextile).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.
Sodium bentonite granule consists of natural clay inorganic mineral materials processed with high expansion and high water absorption capacity, low permeability when wet performance, mainly for waterproofing.
Geosynthetic Clay Liner Property
Geosynthetic Clay Liner compared with the compacted clay liner, it is small, light weight, good flexibility, good seal, shear strength, simple construction, differential settlement of the advantages of adaptation.
Geosynthetic Clay Liner Specification
| Name | Geosynthetic Clay Layer ( GCL) |
| GSM of GCL | 3500g- 6000g |
| Width | Max 6meter |
| Structure of GCL | First Layer - Woven Geotextile Second Layer - expansion bentonite Third Layer - Non Woven Geotextile Fourth Layer - PE Geomembrane or Without |
| Samples | Free Samples |
| Item | Value | |||
| GCL-NP | GCL-OF | GCL-AH | ||
| GCL Mass/unit area g/m2 | ≥4000 | ≥4000 | ≥4000 | |
| Swel Index ml/2g | ≥24 | ≥24 | ≥24 | |
| ethylene blue absorption g100g | ≥30 | ≥30 | ≥30 | |
| Tensile strength KN/m | ≥600 | ≥700 | ≥600 | |
| Elongation at max load % | ≥10 | ≥10 | ≥8 | |
| Peel strength N/100mm | Nonwoven geotextile and woven geotextile | ≥40 | ≥40 | --- |
| PE geomembrane and Non woven geotextile | --- | ≥30 | --- | |
| Pesistance hydraulic pressure m/s | ≤5.0 x 10 -11 | ≤5.0 x 10 -12 | ≤1.0 x 10 -12 | |
| Resistance hydraulic pressure | 0.4Mpa 1h no leakage | 0.6Mpa 1h no leakage | 0.6Mpa 1h no leakage | |
| Fluid loss ml | ≤18 | ≤18 | ≤18 | |
| Durability of bentonite ml/2g | ≥20 | ≥20 | ≥20 | |
