Brown Fused Alumina- BFA factory Brown fused alumina - BFA usually has three kinds of crushed ways, they are Roll milling, Ball milling and Barmac. Roller milling: grits are angular, sharp; Ball milling: grits are roundness, with high bulk density, durable; Barmac: grits are more roundness, higher bulk density, more durable, so Barmac production cost and selling price is high too. Brown fused alumina oxide product has the characteristics of high hardness, high purity, impact resistance, oxidation resistance, corrosion resistance, high temperature resistance, no pulverization, http://www.mayjoy-abrasives.co....m/brown-fused-alumin
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