Product Description

●Chemical Composition:

●Typical Properties:

● Sizes Φ:

1. Mechanical & Physical Properties

Key Takeaways:

• 99% Alumina offers 30% lower wear than 92% grade.

• 2–5x longer lifespan vs. steel in abrasive slurries.

• Harder than zirconia but less tough (ideal for fine grinding).

2. Chemical & Thermal Resistance

Vs. Competitors:

• Beats steel in corrosion resistance.

• Outperforms silica sand in wear & consistency.

3. Grinding Efficiency

• Particle Size Reduction: Achieves sub-micron fineness (D50 < 1µm) in wet/dry mills.

• Speed: Higher density (vs. silica) improves kinetic energy transfer.

• Consistency: Uniform shape/size prevents clogging in bead mills.

Best For:

• High-purity materials (e.g., ceramics, electronics powders).

• Slurry processing (paints, dyes).

4. Industry-Specific Performance

5. Cost vs. Lifetime Analysis

Trade-Off:

• Alumina balances cost and performance – Ideal when zirconia is over-spec.

Performance Summary: Why Choose Alumina?

✅ Cost-Effective: 3x cheaper than zirconia for moderate abrasion.
✅ High-Purity: 99.9% Al₂O₃ for sensitive applications (e.g., pharma).
✅ Versatile: Works in ball/attritor/planetary mills.
✅ Low Maintenance: Non-corrosive, easy to clean.

Limitations:

• Not for high-impact milling (e.g., hammer mills).

• Thermal shock risk in rapid cooling applications.

Need Custom Alumina Balls?

We supply:

• Sizes: 1mm–50mm (±0.01mm tolerance).

• Grades: 92%, 95%, 99%, ZTA-composite.

• Certifications: ISO 9001, RoHS, FDA (for pharma).

●Package:

25KG/woven bag,1000KG-1250KG for one pallet with shrink wrapped

● Notice:

1. Avoid Contamination:

   • Keep the balls clean and free from dust, grease, or other contaminants, especially in precision applications like bearings or grinding.

2. Proper Storage:

   • Store in a dry, clean environment to prevent moisture absorption or contamination. Use protective packaging if necessary.

3. Temperature Limits:

   • Alumina ceramic balls can withstand high temperatures (up to 1600°C), but avoid sudden thermal shocks to prevent cracking.

4. Compatibility Check:

   • Ensure the balls are compatible with the operating environment, including chemical exposure, load, and speed conditions.

5. Load Capacity:

   • Do not exceed the recommended load capacity for the balls, as excessive stress can lead to failure.

6. Installation Precision:

   • Use proper techniques and tools during installation to avoid misalignment or damage, especially in bearing applications.

7. Avoid Abrasive Contact:

   • While alumina is highly wear-resistant, avoid contact with extremely abrasive materials that could cause surface damage over time.

8. Regular Inspection:

   • Periodically inspect the balls for signs of wear, cracks, or surface damage, especially in high-stress applications.

9. Do Not Use in Impact-Intensive Applications:

   • Alumina ceramic balls are not suitable for applications involving heavy impact or shock loads, as they may fracture under such conditions.

10. Follow Manufacturer Guidelines:

    • Adhere to the operating instructions and recommendations provided by the manufacturer for optimal performance and safety.

11. Avoid Chemical Incompatibility:

    • While alumina is chemically resistant to most substances, verify compatibility with specific chemicals in your application.

12. Use Appropriate Lubrication (if required):

    • In bearing applications, ensure proper lubrication to reduce friction and wear, even though alumina has a low friction coefficient.

13. Replace Worn-Out Balls:

    • Replace balls that show significant wear or damage to maintain system efficiency and prevent failure.

14. Consult Experts for Special Applications:

    • For unique or extreme applications, consult with material experts or the manufacturer to ensure proper selection and use.

15. Avoid Excessive Vibration:

    • Excessive vibration can cause wear or damage to alumina ceramic balls. Ensure proper alignment and balance in the system.

16. Do Not Use in High-Impact Grinding:

    • While alumina balls are excellent for grinding, avoid using them in high-impact grinding applications where steel balls might be more suitable.

17. Check for Surface Defects:

    • Before use, inspect the balls for surface defects such as cracks, chips, or irregularities that could affect performance.

18. Use in Suitable Equipment:

    • Ensure the equipment (e.g., ball mills, bearings) is designed to handle ceramic balls and their specific properties.

19. Monitor Wear in Grinding Applications:

    • In grinding applications, regularly monitor the wear of alumina balls and replace them when they become too small or worn to maintain efficiency.

Exhibition & Partner

Case

Ship to UAE

Ship to Netherland

FAQ

1. What are alumina ceramic balls made of?

   • They are made from aluminium oxide (Al₂O₃), a high-purity ceramic material known for its hardness and wear resistance.

2. What are the key properties of alumina ceramic balls?

   • High hardness, excellent wear resistance, chemical stability, high-temperature resistance (up to 1600°C), and electrical insulation.

3. What are alumina ceramic balls used for?

   • They are used as grinding media, bearing components, valve balls, and in applications requiring wear resistance and chemical inertness.

4. Why choose alumina balls over steel or other ceramics?

   • They offer superior wear resistance, chemical stability, and are lighter than steel, making them ideal for specific applications.

5. What sizes are available for alumina ceramic balls?

   • Sizes typically range from 1mm to several inches, depending on the application.