Chromium oxide powder

The invention relates to a particulate powder, said powder having a median circularity of greater than 0.87 wt % and less than 9.0 wt % of particles having a size greater than 100 μm. The powder and at least 80 wt % of the particles have a chemical composition in wt % on the basis of the oxides and...

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Bibliographische Detailangaben
Hauptverfasser:	MOITRIER LIONEL, LINNOT CYRIL, BOUSSANT ROUX YVES MARCEL LEON, CITTI OLIVIER, AVEDIKIAN RICHARD
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS LIME, MAGNESIA MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a particulate powder, said powder having a median circularity of greater than 0.87 wt % and less than 9.0 wt % of particles having a size greater than 100 μm. The powder and at least 80 wt % of the particles have a chemical composition in wt % on the basis of the oxides and for a total of 100%: Cr2O3+Al2O3+ZrO2+MgO+Fe2O3+SiO2+TiO2 90%; Cr2O3+Al2O3+MgO 60%; Cr2O3 9%; 20% SiO2 0.5%; and other oxides: 10%. The invention can be used for a glass furnace.