Brown Fused Alumina
Introduction of alumina:
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 (%) of brown fused alumina:
Grit Size Al2O3 TiO2 SiO2 Fe2O3 CaO
F4-F80 95.0-96.0 1.50-3.80 1.21 0.3 0.45
F90-F150 94.5-95.5
F180-F220 93.5-95.5
F220 Finer ≥92.0
Physical Index of brown fused alumina:
Crystal System Hexagonal
True Density 3.90g/cm3 min
Mohs Hardness 9
Micro hardness HV1800-2200
Size Available of brown fused alumina:
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 of brown fused alumina:
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.
Quantity Per Month: 800MT
Delivery Way - Date Of Delivery: WITHIN 20 DAYS AFTER GET YOUR DEPOSIT
