brown fused alumina
Introduction
Brown fused alumina is made by high quality bauxite as main material, fusing and purifying in a pouring electric arc furnace at a temperature of over 2200 degree Celsius.
Chemical Composition (%)
Grit Size Al2O3 TiO2 SiO2
F4-F80 95.5% 1.60% 1.21%
F90-F150 95.0% 1.65% 1.3%
F180-F220 93.5% 1.8% 1.5%
Physical IndexCrystal System Hexagonal
True Density 3.90g/cm3 min
Mohs Hardness 9
Micro hardness HV1800-2200
Size Available
Abrasives F12-F1200, P12-P2500
Refractory 0-1mm,1-3mm,3-5mm,5-8mm,200mesh,325mesh
Other special specification could be supplied as required
Application
1.Coated and boned abrasive tools
2.Lapping and polishing process
3.Sandblasting
4.Producing mold of precision casting
5.Refractory materials including low cement casting, plastics, bricks, etc.
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