MAGNESIA CARBON BRICK
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United States of America Patent
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Issued Date -
Dec 10, 2015
app pub date -
Jan 15, 2014
filing date -
Jan 16, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A magnesia carbon brick with increased denseness (lowering the porosity) and high durability relative to conventional magnesia carbon bricks. The magnesia carbon brick includes a magnesia raw material and a graphite, with the magnesia carbon brick containing the graphite with amount of in the range of 3% or more by mass and 25% or less by mass and the magnesia raw material with amount of in the range of 75% or more by mass and 97% or less by mass, the both amounts being relative to total amount of the magnesia raw material and the graphite; and an apparent porosity thereof after reductive firing for 3 hours at 1400° C. is 7.8% or less.
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