Semi-cordierite and method of making the same
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United States of America Patent
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Feb 19, 1980
Grant Date -
N/A
app pub date -
Apr 17, 1978
filing date -
Apr 17, 1978
priority date (Note) -
Expired
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Abstract
A semi-cordierite grog composition is made by forming a mixture comprising about 8 to about 20 weight percent olivine and about 80 to about 92 weight percent of a natural mineral selected from the group consisting of kaolin, bentonite, aluminum silicates, diaspore, quartz and mixtures thereof, wherein the kaolin comprises at least 75 weight percent of the natural mineral, and sintering the mixture at a temperature of about 1330.degree. C. to about 1390.degree. C.
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