Alumina ceramic balls provide excellent hardness, wear resistance and chemical stability, making them one of the most widely used ceramic ball materials for industrial and mechanical applications.
Alumina ceramic balls are widely used in industrial applications requiring wear resistance, corrosion resistance and non-metallic performance.
Alumina ceramic balls are manufactured from aluminum oxide ceramic materials, commonly including 92%, 95% and 99% alumina grades.
Compared with metallic balls, alumina ceramic balls provide excellent wear resistance, electrical insulation and chemical stability while maintaining relatively low cost among advanced ceramic materials.
| Item | Specification |
| Material | Alumina Ceramic |
| Typical Materials | Al₂O₃ 92% / 95% / 99% |
| Structure | Non-metallic ceramic material |
| Size Range | 0.5 mm – 100 mm |
| Grade | Depending on material and application |
| Density | Approx. 3.6 – 3.9 g/cm³ |
| Hardness | High hardness ceramic material |
| Corrosion Resistance | Excellent |
| Electrical Insulation | Excellent |
| Magnetic Properties | Non-magnetic |
| High Temperature Resistance | Excellent |
| Packing | Carton / Plastic bag / Custom |
| Condition | Clean and dry |
| Delivery Time | Production based |
| Material | Al₂O₃ (%) | SiO₂ (%) | Fe₂O₃ (%) |
| 92% Alumina | ≥92 | ≤5.0 | ≤0.3 |
| 95% Alumina | ≥95 | ≤3.0 | ≤0.2 |
| 99% Alumina | ≥99 | ≤0.5 | ≤0.1 |
Typical chemical composition range for alumina ceramic materials. Actual composition may vary depending on alumina grade and application requirements.
