Brown Fused Alumina

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Brown Fused Alumina
Posting date : Mar 28, 2014
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28-
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Brown Fused Alumina Brown fused aluminum oxide is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200℃, and made into different grain sizes through crystal, choosing, crashing, magnetic, separating, screening, washing etc. It is characterized by its high hardness, good toughness and sharp shape in particles. Application: Cotaed and bonded abrasive tools Lapping and polishing processes Sandblasting Producing mold of precision casting Refractory materials Physical Characteristics: Physical Index: Color Brown Basic Mineral α-Al2O3 True Density 3.90g/cm3 Bulk Density 1.68-1.95g/cm3 Mohs Hardness 9.0 Microhardness HV1800-2200 Chemical Composition: Typical Value: Al2O3 95.88% TiO2 2.50% SiO2 0.80% Fe2O3 0.09% Abrasives Grade: Grit Size Al2O3 TiO2 SiO2 Fe2O3 F12-F80 >96.0% 1.50-3.50% 1.3% 0.3% F90-F150 >95.2% F180-F220 >95.0% F220 Finer >93.0% Refractory Grade: Grit Size Al2O3 TiO2 SiO2 Fe2O3 0-1mm >95.2% <3.5% <1.0% <0.2% 1-3mm 3-5mm 5-8mm 200mesh >95.0% <3.5% <2.0% <0.4% 325mesh Size Available: Abrasives F16-F1200, P12-P1200 Refractory 0-1mm,1-3mm,3-5mm,200mesh,325mesh Other special specifications could be supplied as required.

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