ALUMINA-BASED FUSED GRAIN

The invention relates to a fused grain having the following chemical composition, expressed in weight percent on the basis of the oxides: MgO: 2.5% to 5.8%; Cr2O3: 0.2% to 4.5%; oxides other than MgO, Cr2O3 and Al2O3: ≤ 1.5%; Al2O3: remainder up to 100%.

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Bibliographische Detailangaben
1. Verfasser:	FREDERICH, Nadia
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a fused grain having the following chemical composition, expressed in weight percent on the basis of the oxides: MgO: 2.5% to 5.8%; Cr2O3: 0.2% to 4.5%; oxides other than MgO, Cr2O3 and Al2O3: ≤ 1.5%; Al2O3: remainder up to 100%.