Abstract: The invention relates to a batch composition for producing a refractory ceramic shaped body, to a shaped body produced therefrom and to the use thereof. The components used are: 68 to 97 wt.-% molten magnesite, sintered magnesite or mixtures thereof, 3 to 20 wt.-% CaO and 0 to 25 wt.-% of a third component.
Type:
Grant
Filed:
March 2, 2001
Date of Patent:
June 21, 2005
Assignee:
Veitsch-Radex GmbH & Co.
Inventors:
Gerald Buchebner, Harald Harmuth, Thomas Molinari
Abstract: The invention concerns a stopper rod with a cylindrical stopper rod body comprising a fire-resistant, carbon-containing material, having a base part and a nose-like section made of a different fire-resistant material than the base part, whereby an interface extends between the nose-like section and the base part over the entire cross-section of the stopper rod body, wherein the nose-like section comprises a fire-resistant material wherein the carbon content burns out under oxidic atmosphere above 90° C., at least close to a surface area.
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