Brown Fused Alumina

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Brown Fused Alumina
Posting date : Dec 29, 2013
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28-
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Description: Made from high quality bauxite, brown fused alumina is fusing and purifying in a pouring electric arc furnace at a temperature over 2200degree centigrade, and made into different grain sizes through many strict processes, because of which it becomes hard, tough, sharp and purity. Application: 1. Brown fused alumina for coated and bonded abrasive tools 2. Brown aluminum oxide for lapping and polishing processes 3. Brown fused alumina for sandblasting 4. Brown aluminum oxide for producing mold of precision casting 5. Brow fused alumina as refractory materials Physical Index of Brown Fused Alumina Color Brown Basic Mineral alpha-Al2O3 True Density 3.90g/cm3 Bulk Density 1.68-1.95g/cm3 Mohs Hardness 9.0 Microhardness HV1800-2200 Chemical Composition of Brown Fused Alumina Typical Data: 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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