Additive Type Purpose Considerations Extenders IWater, Bentonite (clays), pozzolans, amorphous silica, Sodium Silicate, etc. Reduction of hydrostatic or greater economy.Lower slurry density from less than 15.8 down to 11.5 ppg, typically.Higher slurry yield (more slurry volume per sack) Change slurry rheology (viscosity). Increase porosity and consequently thickening time.Compressive strength: delay the 50-psi value, slow development […]
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