Customization: | Available |
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Feature: | Long Time Materials |
Refractoriness (℃): | 1770< Refractoriness< 2000 |
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Description:
Brown 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°C, 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.
Physical Characteristics
Color: Brown
Basic Mineral: α-Al2O3
True Density: 3.90g/cm3
Bulk Density: 1.68-1.95g/cm3
Mohs Hardness: 9.0
Microhardness: 1800-2200kg/mm2
Melting Point: 2000°C
Typical Chemical Composition:
Aluminum Oxide (Al2O3) 95.98%
Titanium Dioxide (TiO2) 2.50%
Silicon Dioxide (SiO2) 0.80%
Iron Oxide (Fe2O3) 0.12%
Size Available
Abrasives F16-F1200, P12-P1200
Refractory 0-1mm,1-3mm,3-5mm,200mesh,325mesh
Other special specifications could be supplied as required.
Application:
1. Brown fused alumina is suitable for making ceramic and resin bonded abrasive tools, used for grinding metals of high-tensile strength, such as carbon steel, general purpose alloy steel, malleable cast-iron and hard bronze etc.
2. It's widely used as surface preparation abrasive, cleaning, grinding, polishing of various metals, glass, rubber, mould industries.
3. It also can be used as refractory material.
Item | AL2O3 | Fe2O3 | Usage | Density g/cm3 |
Grade 1 | >=95% | <=0.3% | Refractory material | 3.85 |
Grade 2 | >=90% | <=1.3% | Grinding,Polishing,abrasive blasting | 3.80 |
Grade 3 | >=85% | <=1.8% | Polishing,abrasive blasting | 3.50 |
Refactory | 0-1mm,1-3mm,3-5mm,5-8mm... | |||
Abrasive | F12. F14 .F16 .F18 .F20 .F24 . F30. F36 .F40 .F60. F80 .F150 . F180 ..... |