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BENTOMAT products are the only GCL that offer Supergroove technology, a groove in the nonwoven fabric that allows the bentonite to migrate out and self-seam at the overlap.  This feature eases the installation process by eliminating the need for supplemental bentonite.  All BENTOMAT geosynthetic clay liners feature granular bentonite, which creates less dust during installation than powdered bentonite and is more likely to stay in place once deployed.  The high needlepunch density of BENTOMAT provides higher peak internal shear strengths, without relying on supplemental processing.



Bentomat ST

BENTOMAT ST is the most commonly specified GCL in the world, proving ideal for standard applications involving slopes up to 3H: 1V. BENTOMAT ST consists of a layer of VOLCLAY sodium bentonite encapsulated between woven and non-woven geotextiles, which are needle-punched together to provide internal reinforcement. The internal reinforcement minimizes clay shifting, thus allowing the GCL to maintain consistent low permeability and maximum performance under a wide variety of field conditions.

Bentomat CL

BENTOMAT CL is a reinforced GCL consisting of two carrier geotextiles encapsulating a layer of VOLCLAY sodium bentonite, with a flexible membrane liner laminated to one side. This GCL provides excellent hydraulic performance and has puncture and tensile strengths beyond conventional plastic membranes. These characteristics make this GCL applicable for use in landfill covers, ponds and liquid containment projects with slopes up to 3H: 1V.

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