MgO-spinel refractory mix and shapes made therefrom
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United States of America Patent
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Sep 6, 1994
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N/A
app pub date -
Nov 15, 1993
filing date -
Nov 15, 1993
priority date (Note) -
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Abstract
A refractory mix and resultant shapes formed by burning the mix, the mix comprising a magnesia-alumina spinel grain containing at least 27% MgO by weight, a fused magnesite grain, and up to 10% by weight alumina, it being possible to substitute a sintered magnesite grain for up to 50% by weight of the fused magnesite grain.
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