Refractory material containing calcium carbonate-stabilized synthetic dolomite
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United States of America Patent
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Jun 23, 1992
Grant Date -
N/A
app pub date -
Aug 15, 1991
filing date -
Aug 15, 1991
priority date (Note) -
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Abstract
A refractory material containing a synthetic dolomite aggregate having a calcium carbonate coating on the surface thereof and further containing magnesia, a binder, a plasticizer, an organic fiber homogenizer, a bond stabilizer, and a dispersant; and a method of forming a protective refractory surface on the lining of a tundish, steel ladle and the like by spraying, gunning or troweling the surface coated aggregate-containing refractory material thereon are disclosed. This material offers the multiple advantages of improving resistance to slaking, reducing alumina inclusions in the steel, and reducing clogging of the tundish nozzle.
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