Refractory moldable composition
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United States of America Patent
Stats
-
Feb 3, 1981
Issued Date -
N/A
app pub date -
Jun 28, 1979
filing date -
Jun 23, 1972
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A refractory moldable composition which, upon drying, sets up to refractory shapes which are strongly adherent to the molding surfaces and are essentially crack-free, contains about 45 to about 65% of a liquid vehicle, such as water; about 21 to about 26% ceramic fiber; about 7 to about 30% finely divided silica; and sufficient adhesion enhancing agent to impart from about 18 to about 50 grams per square centimeter adherence to steel. The molded composition adheres excellently to molding surfaces and dries to give an essentially crack-free refractory shape, useful as thermal insulation at temperatures up to 1300.degree. C. The composition may optionally include hollow plastic or ceramic spheres.
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