Bonded Abrasive Alumina Grains 99.6% High hardness High whiteness
Tilting Furnace Barmac Crushed White Fused Aluminum Oxide WFA for Bonded Abrasives
1. White Fused Alumina Descriptions
White Fused Alumina (WFA) is produced by fusing calcined alumina. It is white in colour, a dense mineral and has predominantly large crystals of Alpha Alumina.
2. White Fused Alumina Characteristics
1. High hardness
2. High purity
3. Direct manufacturer
4. Stable Chemicals
5. High whiteness
3. White Fused Alumina Packing
1). 25 kg/bag, in bulk;
2). 25 kg/bag, 40 bags/big bag;
3). 25 kg/ bag, 40 bags/pallet;
4). According to customer's requirement
4. White Fused Alumina Grades
Fused Alumina standard grades
- 5-8mm (-8+5mm)
- 3-5mm (-5+3mm)
- 1-3mm (-3+1mm)
- 0-1mm (-1mm)
- 0-250μm (-60#)
- 0-150μm (-100#)
- 0-15μm (-200#)
Other grades are available on request.
5. White Fused Alumina Specifications
| Items | Unit | Index | Typical | |
| Chemical composition | Al2O3 | % | 99.20min | 99.31 |
| SiO2 | % | 0.20max | 0.11 | |
| Fe2O3 | % | 0.10max | 0.07 | |
| Na2O | % | 0.40max | 0.22 | |
| Refractoriness | ℃ | 1850min | ||
| Bulk density | g/cm3 | 3.50min | ||
| Mohs hardness | --- | 9.00min | ||
| Principal crystalline phase | --- | α-Al2O3 | ||
| Refractory grade | Grain | mm | 0-50, 0-1, 1-3, 3-5, 5-8 | |
| Fines | mesh | -200, -325 | ||
| Grit (F grade and P grade) | FEPA | F8, F16, F20, F24, F30, F36, F46, F54, F60, F70, F80, F90, F100, F120, F150, F180, F220 | ||
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