Cement-containing compositions and method of use
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Apr 25, 2007
filing date -
Apr 25, 2006
priority date (Note) -
Abandoned
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Abstract
The invention provides a system comprising two components to be mixed together to form a settable cementitious composition wherein a first component comprises: (a) Portland cement; (b) calcium sulphate; and (c) water in a weight ratio of water to Portland cement and calcium sulphate solids of from 0.5:1 to 5:1; and a second component comprises: (d) a water soluble silicate; and (e) water, in a weight ratio of water to silicate solids of from 1.5:1 to 25:1; which cementitious composition has a higher early strength than known compositions.
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