brown fused corundum
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Brown fused alumina is fused and crystallized under high temperature
from mixture of bauxite and other materials, characterized by its high
hardness, good toughness and sharp shape in particles. Abrasive tools
made of it are suitable for grinding metals of high-tensile strength
such as carbon steel, general purpose alloy steel, malleable cast-iron
and hard bronze etc. It also can be used as Refractory materials.