Methods of manufacture and use for low density hydraulically bonded cement compositions
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United States of America Patent
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Oct 18, 1994
Issued Date -
N/A
app pub date -
Apr 21, 1993
filing date -
May 18, 1990
priority date (Note) -
Expired
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Abstract
Incorporation of solid removable aggregates into powdered cement which later completely dissolve, evaporate, volatilize, or melt leaving voids in the cement composition is discussed. Cementitious articles are prepared by manipulating powdered hydraulic cement or cement paste compositions into mechanically self-supporting structures of a predetermined configuration and thereafter hydrating the hydraulic cement compositions without mechanical mixing of the cement and water.
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