Mix for the preparation of a refractory shaped product carbon-bonded or attached to a resin, a process for the preparation of a product of this type, a product of this type and a use of magnesia spinel-zirconia

Mix for the preparation of a refractory shaped product carbon-bonded or attached to a resin comprising the following components: 1.1 one or more components comprising alumina, 1.2 one or more components comprising carbon, 1.3 one or more antioxidants for suppressing oxidation of carbon, 1.4 if desired, one or more additional components, wherein the mixture further comprises 1.5 at least one component as magnesium spinel-zirconia, which is present as a raw material molten.