Ceramic foam cement
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United States of America
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Oct 4, 1983
Grant Date -
N/A
app pub date -
Sep 29, 1982
filing date -
Jul 3, 1980
priority date (Note) -
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Abstract
Foamable particulate cement is capable of forming sintered cordierite foamed ceramic masses. It consists essentially, by weight, of 1-40% cordierite grog, 99-60% ceramic base material and foaming agent, such as SiC. The ceramic base material is raw ceramic material that has an analytical molar composition consisting essentially of about 1.7-2.4 MO.1.2-2.4 Al.sub.2 O.sub.3.4.5-5.4 SiO.sub.2 wherein MO comprises about 0-55 mole % MgO and at least 45 mole % MnO. The grog is ceramic material that has been previously fired and comminuted, and that has an analytical molar composition consisting essentially of about 1.7-2.4 RO.1.9-2.4 Al.sub.2 O.sub.3.4.5-5.2 SiO.sub.2 wherein RO comprises MnO in an amount of 0 mole % up to a mole % that is about 20 mole % lower than the mole % of MO that is MnO and the balance is substantially MgO.
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