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GCL

Geosynthetic Clay Liner

Geosynthetic Clay Liner (GCL) is a factory-manufactured hydraulic barrier consisting of a layer of natural sodium bentonite encapsulated between geotextiles. When hydrated, the bentonite swells to form a low-permeability barrier. GCL is widely used in landfill liners, mining, water containment, and environmental protection applications as an effective and easy-to-install impermeable solution.

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Technical Specifications

PropertyValue
Top Layer MaterialPET nonwoven geotextile
Core LayerNatural bentonite
Bottom Layer MaterialWoven geotextile
Roll Size6m × 30m
Mass per Unit Area (GSM)4000-6000 g/m²

Key Features & Applications

Self-sealing properties

Low permeability

Easy installation

Cost-effective

Proven performance

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