Brown Corundum is based on high-quality bauxite raw material, mixing with moderate anthracite and iron filings, by melting at 2, 000℃in electrical arc, and then crushing, selecting and shaping to be various sizes. It has been the best aggregate and fillers of brown corundum refractory materials. Corundum size is usually made as per international or national standards, customized is available. The general grain size is F8~F320, depending on chemical compositions.
Features: high purity, high erosion resistance, well crystallization but cost-effective; strong liquidity and low coefficient of linear expansion; no explosion, no powdering, no splitting during usage
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