Exothermic feeder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 6, 2005
Grant Date -
N/A
app pub date -
May 20, 2000
filing date -
Jun 1, 1999
priority date (Note) -
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Abstract
An exothermal feeder mass is described, containing aluminum and magnesium, at least one oxidizing agent, a SiO2-containing filler, and an alkali silicate as the binder; it is characterized in that it contains roughly 2.5 to 20% by weight of a reactive aluminum oxide with a specific surface of at least roughly 0.5 m2/g and an average particle diameter (d50) from roughly 0.5 to 8 microns and is essentially free of fluoride-containing fluxes.
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