white fused alumina

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white fused alumina
Posting date : Mar 28, 2014
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28-
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white fused alumina White fused aluminum oxide is electrically fused in the arc furnace from high grade bayer processed alumina as raw material, and made into different grain sizes through crashing, magnetic, screening, separating, washing etc. It is characterized by high purity, high hardness, ability of self-sharpening, better cutting, less heat emit, higher efficiency, acid and alkali resistance, and good thermal stability. Application: Used for making abrasive tools Refractory materials Grinding, lapping, polishing and blasting media Physical Index: Color White Basic Mineral α-Al2O3 True Density 3.96g/cm3 Bulk Density 1.75-1.95g/cm3 Microhardness HV2200-2300 Mohs Hardness 9.0 Melting Point 2250℃ Chemical Composition Typical Value: Al2O3 99.65% Na2O 0.25% Fe2O3 0.04% SiO2 0.03% Abrasives Grade: Grit Size Al2O3 Na2O F12-220 >99.5% <0.35% F230-400 >99.2% <0.4% F500-1200 >99.0% <0.5% Refractory Grade: Grit Size Al2O3 Na2O 0-1mm >99.2% <0.4% 1-3mm >99.2% <0.4% 3-5mm >99.2% <0.4% 200mesh >99.0% <0.5% 325mesh >99.0% <0.5% Size Available: Abrasives F16-F220, F230-F1200, JIS240-JIS3000 Refractory 0-1mm,1-3mm,3-5mm,200mesh,325mesh Other special specifications could be supplied as required.

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