Bentonite pellets are compressed tablets made from highly swelling sodium Bentonite and when placed forms a flexible, Non-toxic impermeable seal. It will swell approximately 10 –15 times their dry state when hydrated with fresh water.
• Seal or grout plastic or steel casing.
• Isolate screen intervals, subsurface instrumentation, and sampling zones.
• Provide a protective interface between gravel pack and cement grout.
• Plug abandoned earthen boreholes and cavities.
• Create a stable, permanent below-grade seal in.
• Monitor/observation wells.
• Dewatering holes.
• Caisson holes.
• Soil sampling holes.
• Mineral exploration holes. • Water wells.