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brown fused Alumina



Al2O3: 94.5%~96% min

Fe2O3: 0.3% max

SiO2: 1.5% max

TiO2: 3.0% max

Moisture: 0.5% max

B.D.: 3.85g/ccm

Size: 0-1,1-3,3-5mm   90% min


Brown fused Alumina known as “artificial corundum” or “alumina grit”. Brown fused alumina is produced from bauxite, charcoal, iron chip by being fused under high temperature in an electric arc furnace. It is characterized by high toughness and has a micro hardness of 2000-2200kg/mm2. The abrasive tools made by brown fused alumina are suitable for grinding carbon steel, normal alloy steel, malleable cast iron and hard bronze, etc. Brown fused alumina can also be used for making fine quality refractory etc



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