White Fused Alumina Supplier
White fused alumina is produced from industrial alumina by electric-arc melting, cooling, crushing, magnetic separation and screening. The catalog covers abrasive grains, aggregate, fines and W micron grades for resin-bonded abrasive and other finishing applications.
Specifications, application and selection
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Physical and product data
The following values are transcribed from the product catalog. Confirm acceptance criteria before supply.
| Item | Details |
|---|---|
| Color | White |
| Crystal system | Trigonal |
| Mohs hardness | ≥9.0 |
| True density | ≥3.90 g/cm³ |
| Bulk material density | 3.6 g/cm³ |
| Packing density | 1.5–1.9 g/cm³ |
Grades and chemical data
Percentages follow the source grade table. Confirm the required size and batch specification.
| Grade | Al₂O₃ % | Na₂O % | Magnetic matter % | SiO₂ % |
|---|---|---|---|---|
| F12#–80# | ≥99.7 | ≤0.2 | ≤0.02 | ≤0.03 |
| 90#–150# | ≥99.6 | ≤0.22 | ≤0.03 | ≤0.04 |
| 180#–240# | ≥99.5 | ≤0.35 | ≤0.03 | ≤0.04 |
| 240#–320# | ≥99.4 | ≤0.35 | ≤0.04 | ≤0.05 |
| Fines 180#–0 / 200#–0 / 320#–0 | ≥99.3 | ≤0.4 | ≤0.04 | ≤0.05 |
| Aggregate 0–1 / 1–3 / 3–5 / 5–8 / 8–12 mm | ≥99.7 | ≤0.2 | ≤0.02 | ≤0.03 |
| W2.5 / W3 / W5 / W7 / W10 / W14 / W20 / W40 | ≥99.3 | ≤0.4 | ≤0.04 | ≤0.05 |
Application review and samples
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