Alumina Ceramics
ORTAB Series — Alumina Grinding Beads
Fine-grinding alumina beads for stirred mills and ball mills. 4 grades (Al₂O₃ ≥92–97%), Fe₂O₃ ≤0.1–0.3%. Ideal for feldspar, quartz, kaolin, glaze, pigments and inks.
Available sizes
1–5 mm5–10 mm10–20 mm20–40 mm
Variants
ORTAB-92 (Al₂O₃ ≥92%)ORTAB-95 (Al₂O₃ ≥95%)ORTAB-97 (Al₂O₃ ≥97%)
Performance Index
| Property | ORTAB-92A | ORTAB-92B | ORTAB-95 | ORTAB-97 |
|---|---|---|---|---|
| Al₂O₃ (%) | ≥92 | ≥92 | ≥95 | ≥97 |
| Density (g/cm³) | ≥3.60 | ≥3.62 | ≥3.65 | ≥3.70 |
| Fe₂O₃ (%) | ≤0.3 | ≤0.3 | ≤0.2 | ≤0.1 |
| Mohs hardness | 9 | 9 | 9 | 9 |
| Water absorption (%) | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
ORTAB Series alumina grinding beads are optimised for superfine wet and dry grinding in stirred mills (attritors, bead mills) and ball mills.
SIZE RANGE: 1–40 mm (custom sizes available)
APPLICATIONS
• Ceramic raw materials: feldspar, quartz, kaolin, glaze
• Pigments, paints, inks
• Zirconia silicate, metallic minerals
• Pharmaceutical granulation (97% grade)
Gallery
