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White Fused Alumina has a number of physical characteristics that make it an ideal refractory material.

Brown Fused Alumina is produced by fusing high-quality bauxite in the electric-arc furnace at a high temperature of above 2250°C. The raw material and carbon material are matched and fused together...

The production of ferrosilicon involves the burning of fossil fuels, which releases greenhouse gases into the atmosphere.