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What is low carbon brown corundum?

Low carbon and corundum furnace before and after special processtreatment, reduce the content of residual carbon in brown fused alumina powder, so that the product is not in use, does not burst,toughness is abrasives industry, material of choice in refractory industry. Mainly used for ceramic abrasive, abrasive, abrasive,abrasive belt high-grade organic, coated abrasives, according to theresidual carbon content is divided into: Calcined brown fused aluminaC ≤ 0.05%; low carbon corundum C ≤ 0.10%; ordinary corundum C ≤ 0.15%.