Refractory Raw MaterialsAlumina raw materials
White Fused Alumina (WFA)
White fused alumina (WFA) is supplied as a refractory raw material in two forms, grain and fine powder, according to the specification below.
- Forms
- Grain, Fine Powder
Product overview
White fused alumina (WFA) is supplied as a refractory raw material as grain and as fine powder. The catalogue states Al₂O₃, Na₂O, SiO₂ and Fe₂O₃ limits, refractoriness, hardness, true density and bulk density for each form.
Technical data
| Property | Unit | Grain | Fine Powder |
|---|---|---|---|
| Al₂O₃ | % | ≥99.50 | ≥99.30 |
| Na₂O | % | ≤0.30 | ≤0.35 |
| SiO₂ | % | ≤0.05 | ≤0.06 |
| Fe₂O₃ | % | ≤0.05 | ≤0.05 |
| Refractoriness | °C | ≥1850 | ≥1850 |
| Moh's Hardness | / | ≥10 | ≥10 |
| True Density | g/cm³ | ≥3.9 | ≥3.9 |
| Bulk Density | g/cm³ | ≥3.6 | ≥3.6 |
- Moh's hardness is printed as "≥10" with the unit "/" in the specification and is reproduced as stated.
Available grades, shapes and sizes
Available grades
- Grain
- Fine Powder
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