Patent ID: 8530364
Filing Date: 2013-09-10
Classification: C04B,F23M,F23R

Abstract:
1. A material mixture for producing a refractory material, comprising: spinel; zirconium oxide; a coarse-grained fraction in a percentage by weight of over 50%; and a fine-grained fraction, wherein the coarse-grained fraction includes coarse grains with dimensions greater than 20 μm and the fine-grained fraction including fine grains with dimensions of less than 20 μm, wherein magnesium aluminate spinel and/or sinter spinel and/or fused spinel is/are present as the fine-grained fraction, and wherein the fine-grained fraction includes 70 to <88 wt % magnesium aluminate spinel and >12 wt % and up to 30 wt % zirconium oxide.