Enviroplug® No. 8 and No. 20 are high-swelling Wyoming sodium bentonite in granular form. Due to their unique molecular structure, they can absorb five times their water weight and swell to a volume of 12-16 times their dry bulk, making them an ideal well sealant. Applied dry or in a pumpable slurry, the fine granules expand against casings and formations to create a very low permeability flexible grout seal.
Enviroplug® No. 8 and No. 20 product sheet:
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