Slide gate plate and method
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United States of America Patent
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Nov 15, 1994
Grant Date -
N/A
app pub date -
Dec 14, 1993
filing date -
Dec 14, 1993
priority date (Note) -
Expired
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Abstract
A slide gate plate comprising a burned refractory that is impregnated with tar and baked, said refractory made from a composition comprising about 70 to 95 wt. % alumina, 1 to 10 wt. % reactive alumina, 1 to 5 wt. % volatilized silica, and, 3 to 15 wt. % silicon carbide and the method of increasing the service life of such slide gate plate by forming the same from the above-noted composition.
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