API Grade Bentonite | Industrial Minerals (NZ) Ltd
The yield of drilling fluids is typically compared by how many barrels (42 gal/bbl) of drilling fluid at 40-cps that one short ton (2000 lbs) of bentonite will make. Typically calcium bentonite yields about 35-45 bbl/ton. Some standard western sodium bentonite yields 90 bbl/ton minimum, while some advanced fluids yield over 200 bbl/ton.
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