Bentonite and polymer slurry specifications for wet bored piling
Detailed specifications for bentonite and polymer drilling slurry density, Marsh funnel viscosity, pH, and sand content per API standards.
API bentonite slurry specs
Drilling slurry density 1.05-1.15 g/cm³, Marsh viscosity 30-45s, pH 8-11, and sand content under 4% prior to concrete placement.
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