Black fused alumina for sand blasting

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Black Fused Alumina is bauxite, carbon materials, iron filings in the three kinds of raw material through the melting furnace to restore the system obtained brown artificial corundum, and are thus brown corundum. Brown Fused Alumina is the main chemical ingredient Al2O3, its content is 94.5% 1 97%, and the other containing a small amount of Fe, Si, Ti and so on. Corundum because of its high hardness, toughness is good, more used as a grinding material, which is one of the most basic abrasive. Applicable to carbon steel, malleable iron and hard bronze etc. Grinding. In addition, in refractory materials, chemical additives, precision casting and anti-slip material also has wider application.