Alumina Ceramics
ORTC Series — Alumina Wear Resistant Ceramic Cylinder
5-grade alumina ceramic cylinders (TC85–TC99), bending strength 235–300 MPa. 21 standard sizes Ø15×9.75 mm to Ø50×50 mm. Dual function: wear lining and grinding media.
Available sizes
Ø15×9.75 mmØ25×25 mmØ30×30 mmØ40×40 mmØ50×50 mmCustom sizes
Variants
ORTC-85 (Al₂O₃+ZrO₂ ≥83%)ORTC-92 (Al₂O₃ ≥92%)ORTC-95 (Al₂O₃ ≥95%)ORTC-99 (Al₂O₃ ≥99%)
Performance Index
| Property | ORTC-85 | ORTC-92 | ORTC-95 | ORTC-97 | ORTC-99 |
|---|---|---|---|---|---|
| Al₂O₃ (%) / Note | ≥83 + ZrO₂ | ≥92 | ≥95 | ≥97 | ≥99 |
| Density (g/cm³) | ≥3.30 | ≥3.60 | ≥3.68 | ≥3.75 | ≥3.83 |
| Bending strength (MPa) | 235 | 250 | 270 | 280 | 300 |
| Fracture toughness (MPa·m⁰·⁵) | 38 | 40 | 42 | 45 | 48 |
| Water absorption (%) | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
ORTC Series ceramic cylinders serve dual roles: bonded to rubber panels as wear protection, or used directly as grinding media in ball mills.
STANDARD SIZES (Ø × H, mm): 15×9.75, 18×11.7, 20×13, 22×14.3, 25×16.25, 30×19.5, 32×20.8, 35×22.75, 38×24.7, 40×26, 45×29.25, 50×32.5 + full-height cylinders 25×25, 30×30, 35×35, 38×38, 40×40, 45×45, 50×50
Also available as semi-cylinders for curved liner applications.
Gallery
