Medium weight abrasion-resistant castable
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United States of America Patent
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Aug 18, 1987
Grant Date -
N/A
app pub date -
Jun 21, 1984
filing date -
Jun 21, 1984
priority date (Note) -
Expired
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Abstract
A medium weight abrasion-resistant castable for use as a refractory lining having a bulk density of no greater than 130 lbs/cu ft, and abrasion loss of no greater than about 25 cc and a thermal conductivity of no greater than 5.5 BTU/hr/ft.sup.2 /in/.degree.F. includes a coarse aggregate of cordierite. The composition also includes an intermediate sized aggregate of calcined kaolin or calcined flint and a finer sized aggregate of calcined kaolin or calcined flint, fly ash cenospheres, clay, fume silica, and cement.
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