Refractory for casting a basic substance
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United States of America Patent
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Apr 14, 1992
Grant Date -
N/A
app pub date -
Dec 24, 1990
filing date -
Dec 24, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A refractory for casting a basic substance comprises 100 parts by weight of a refractory aggregate having as main ingredients 3 to 40% by weight of zircon and 97 to 60% by weight of magnesia and a suitable amount of a binding agent. Another refractory for casting a basic substance comprises 100 parts by weight of a refractory aggregate having as main ingredients 3 to 40% by weight of zircon and 97 to 60% by weight of magnesia, not more than 7 parts by weight of metallic fibers, and a suitable amount of a binding agent. The refractories for casting a basic substance are used for ladles, tundishes, vacuum degasing furnaces, mixers, and the like.
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