E-mail:lizhi@pxball.cn
Preface
We not only provide customers with the best price for high-alumina ceramic balls but also guarantee stable and reliable quality. As a professional manufacturer of inert high-alumina ceramic balls with years of production experience, our philosophy is to continuously supply high-quality and cost-effective inert ceramic balls, achieving a long-term and stable win-win cooperation with customers.
Price List
| Alumina Content | Minimum Order Quantity | Best Price per Ton (Approx.) | Delivery Time |
| Al₂O₃ >70% | 0.5 Ton | $780 | 9 Days |
| Al₂O₃ >90% | 0.5 Ton | $1250 | 9 Days |
| Al₂O₃ >92% | 0.5 Ton | $1300 | 9 Days |
| Al₂O₃ >99% | 0.5 Ton | $1450 | 9 Days |
Note: The above prices are approximate. The price of high-alumina ceramic balls is related to alumina content, packaging method, delivery method, transportation distance, etc. For accurate pricing, please contact us for a quote. Thank you.
How to Judge the Quality of High-Alumina Ceramic Balls
1. Alumina Content
This is the core indicator. Higher content means greater hardness and wear resistance. Common industrial grades include 92%, 95%, 99% and other specifications, which need to be confirmed through test reports. Substandard content will significantly shorten the service life.
2. Physical Properties
- Density: Qualified products have uniform density (approximately 3.6-3.9g/cm³), without hollowing or excessive porosity.
- Hardness: Mohs hardness ≥9, which can be tested by a simple scratch method (not easily scratched by hard objects).
- Compressive Strength: ≥1500MPa to ensure it is not easy to break in equipment.
3. Appearance and Size
The surface is smooth without cracks or chipping, and the color is uniform. It has small dimensional tolerance and good spherical roundness to avoid affecting fluidity during use.
4. Stability
- Chemical Stability: Resistant to acid and alkali corrosion, and does not undergo chemical reactions in high-temperature environments (≤1200℃).
- Thermal Stability: No cracking after sudden cooling and heating, adapting to temperature fluctuations in industrial working conditions.
Chemical Composition
| Component | Content |
| SiO₂ | 0.14% |
| Al₂O₃ | >99% |
| MgO | 0.001% |
| Fe₂O₃ | 0.05% |
| TiO₂ | 0.017% |
| K₂O | 0.04% |
| Na₂O | 0.39% |
Physical Properties
| Item | Value |
| Water Absorption(%) | <5 |
| Packing Density(MT/m³) | 1.8-2.0 |
| Specific Gravity | 3.0-3.5 |
| Operation Temp.(max) | 1600℃ |
| Apparent Porosity(%) | <5% |
Compressive Strength by Size
| Size | Crush Strength (Kg/particle) | Crush Strength (KN/particle) |
| 1/8”(3mm) | >203 | >2 |
| 1/4”(6mm) | >459 | >4.6 |
| 1/2”(13mm) | >877 | >8.7 |
| 3/4”(19mm) | >1220 | >12 |
| 1”(25mm) | >1630 | >16 |
| 1.5”(38mm) | >2340 | >23 |
| 2”(50mm) | >3460 | >34 |
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