Importance

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Abstract

A blended, stable ball clay/water slurry, wherein: 1. the slurry comprises from about 58 to about 68 weight percent of ball clay, from about 42 to about 32 weight percent of water, from about 50 to about 650 parts per million (by dry weight of ball clay) of soluble sulfate ion, and from about 0.01 to about 1.0 percent of organic polyelectrolyte (weight of active ingredient by weight of dry ball clay) with a molecular weight of from about 1400 to about 6000; 2. the slurry, when freshly made has a five-minute gel viscosity of from about 1,000 to about 10,000 centipoise, a ten-minute gel viscosity of from about 2,200 to about 12,000 centipoise, and a twenty-minute gel viscosity of from about 3,500 to about 14,000 centipoise.

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First Claim