Zirconia & Silicate Grinding Media
ORTZS Series — Zirconium Silicate Grinding Beads
4 high-density zirconium silicate bead grades (3.25–4.20+ g/cm³), Mohs 8+, wear loss 4.6× lower than alumina beads. Sizes 0.2–13 mm, roundness >90%. For CaCO₃, TiO₂, kaolin, pigments, inks.
Available sizes
0.2–1 mm1–3 mm3–6 mm6–10 mm10–13 mm
Variants
ORTZS-320 (3.25 g/cm³)ORTZS-360 (3.60–3.70 g/cm³)ORTZS-400 (>4.0 g/cm³)ORTZS-420 (>4.20 g/cm³)
Performance Index
| Property | ORTZS-320 | ORTZS-360 | ORTZS-400 | ORTZS-420 |
|---|---|---|---|---|
| Density (g/cm³) | 3.25 | 3.60–3.70 | >4.0 | >4.20 |
| ZrO₂ content (%) | ≥60 | ≥64 | ≥67 | ≥68 |
| Mohs hardness | 8 | 8 | 8+ | 8+ |
| Water absorption (%) | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
| Self-wear loss (%/24h) | ≤0.010 | ≤0.008 | ≤0.006 | ≤0.005 |
| Roundness (%) | >90 | >90 | >90 | >90 |
| Available sizes (mm) | 0.2–13 | 0.2–13 | 0.2–13 | 0.2–13 |
ORTZS Series zirconium silicate grinding beads outperform conventional alumina beads in high-efficiency fine and ultra-fine grinding of white and coloured mineral pigments, paints, inks and ceramic slips.
SIZE RANGE
0.2 mm to 13 mm (standard and custom)
APPLICATIONS
• Ground calcium carbonate (CaCO₃)
• Kaolin / China clay
• Titanium dioxide (TiO₂)
• Pigments, paints, inks
• Metallic mineral slurries
• Pharmaceutical materials
Gallery
