Customization: | Available |
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Natural Abrasive Type: | Natural Corundum |
Artificial Abrasive Type: | Corundum Abrasives |
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White Fused Alumina is manufactured by the fusion of high grade industrial alumina powder in an electric arc furnace at temperatures greater than 2000 degree through a slow solidification process,then crushed into different grain size after magnetic separation.It has high purity of 99.2% alumina and high whiteness,so it is named as white fused alumina. It has the higher hardness than the one of brown aluminum oxide,then it is suitable for grinding high hardness steel such as high speed steel, high carbon steel, alloy steel, etc.
Main Technical Index | |
Shape | Sharp,Angular |
Color | White |
Mohs Hardness | 9 Mohs |
Vicker Hardness | 2100-3000 kg/m2 |
True Gravity | 3.95g/cm3 |
Melting Point | 2050 °C |
Chemical Index | AL2O3≥99.20% Na2O≤0.35% |
Fe2O3≤0.10% SiO2≤0.05% LOI≤0.2% | |
Macro Grit | F12#-F220# |
Micro powder | F230#-F1200# |
Product Standard | China GB/T,FEPA etc. |
Features of White Aluminum Oxide
Test Standard: GB/T3044,GB/T12481,GB/T9258,JB/T6570.
For Abrasive Media:
Purpose | Specification | Al2O3 | Na2O | SiO2 | Fe2O3 | Magnetic Content |
Abrasive |
F12-F80 P24-P80 |
99.0Min | 0.35Max | 0.1Max | 0.1Max | 0.003Max |
F90-F150 P90-P150 |
99.0Min | 0.35Max | 0.1Max | 0.1Max | 0.003Max | |
F180-F1500 |
99.0Min | 0.40Max | 0.15Max | 0.1 Max | 0.003Max |
Physical Properties |
|
Appearance |
Angular |
Color |
White |
Hardness |
MOH 9.0 2100-3000kgf/cm2 |
True Density |
≥3.90g/cm3 |
Basic Material |
a-Al2O3 |
Applications of White Fused Alumina
1.For Resin or ceramic bonded abrasive,such as grinding wheels,cutting off wheels.
2.For Refractory Raw material, Wear-resistant and fire-proof products.
3.For Grinding and polishing ,such as gringing stone, Grinding block, flap disc.
4.For Coated abrasives,such as abrasive paper,abrasive cloth,abrasive belt.
5.For Producing mold of precision casting and Grinding, lapping and polishing media.
6.For Sandblasting media.
Technical Advantages
1. Professional in abrasives & refractory materials since 1985
2. Strict quality control system and Certificate
3. Reliable Pre-shipment Inspection
5. ISO 9001:2008 certified;
6. Owns proprietary intellectual property rights
7. Advanced equipment and superior technology
8. Various packing
9. Rich materials source
10. Fast delivery
11.Very near Qingdao Port and Tianjin Port
12. Superior service and Specialist team with quickest response
13. Different language service such as English, Russia, Spanish,Korea, Japanese, Portuguese and etc.