Hydraulic cement and composition employing the same
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United States of America Patent
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Mar 5, 1991
Issued Date -
N/A
app pub date -
Jun 5, 1990
filing date -
Dec 11, 1987
priority date (Note) -
Expired
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Abstract
A hydraulic cement is formed from a Class C fly ash, an alkali metal activator, and citric acid. Mortar and concrete compositions can be prepared with this hydraulic cement. The cement is particularly useful in producing mortar and concrete compositions that achieve high strengths in a short time, in particular, a mortar having a strength of at least 2500 psi in 24 hours, when cured at room temperature.
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