Multicomponent geosynthetic clay liner: Bentofix® X

Multicomponent GCL Bentofix®-X Product Picture

Bentofix® X multicomponent geosynthetic clay liners (GCL)

Also known as geosynthetic clay barrier (GBR-C) is a needle-punched, fibre-reinforced composite that combines two durable geotextile outer layers and a uniform core of high-swelling sodium bentonite powder with an additional polyethylene extrusion-coated barrier. This forms a multi-directional, shear-resistant, hydraulic, multicomponent barrier with self-sealing and rehealing characteristics.

Solutions with Bentofix® X

Advantages of Bentofix® X geosynthetic clay liners

Bentofix® X GCLs exemplify how geosynthetics perform best: by interacting with natural elements to create something stronger or more secure. The main advantage of Bentofix® X is that it can be used for versatile sealing applications.

Two independent sealing barriers

The PE extrusion-coated barrier improves the sealing performance and acts as a protection for the bentonite against ion exchange and against more challenging chemicals, and as an immediate gas barrier.

Less cover soil, better performance

Bentofix® X now achieves an increased resistance against desiccation while requiring less cover soil when compared to standard GCL applications.

Durable long-term shear strength

Bentofix® X is available with smooth (X2) or textured (X5F and X10F) PE coating, offering unique advantages regarding slope stability. The coating is also homogeneously extruded and firmly bonded to the GCL. No shrinkage or delamination caused in climates with high temperatures.

Desiccation behaviour of geosynthetic clay liners in a laboratory test
Desiccation behaviour of geosynthetic clay liners in a laboratory test
Flow rate among multicomponent GCL interfaces
Flow rate among multicomponent GCL interfaces

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Geosynthetic Clay Liner Bentofix® product picture

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Bentofix® Thermal Lock geosynthetic clay liners (GCLs) – also known as geosynthetic clay barriers (GBR-C) – are needle-punched, reinforced composites that combine two durable geotextile outer layers and a uniform core of high-swelling powder sodium bentonite clay.

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