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ZrO2 grinding balls, or zirconia grinding balls, are high-reliability abrasive media specially developed for industrial ball milling operations, delivering stable and efficient performance in various harsh processing environments. Crafted from high-purity zirconium oxide with yttrium oxide stabilization and high-temperature sintering technology, these grinding balls feature superior mechanical strength, wear resistance, and chemical inertness.
They are designed to meet the rigorous requirements of industrial ball milling, ensuring consistent grinding efficiency, minimal material contamination, and long service life, thus reducing operational costs and improving production stability for enterprises.
| Parameter | Value |
|---|---|
| Material Composition | ZrO2 ≥95% (Y2O3 8% stabilized) |
| Density | 5.8-6.0 g/cm³ |
| Rockwell Hardness (HRC) | ≥88 |
| Wear Loss | ≤30 ppm/h |
| Operating Temperature Range | -20-250℃ |
| Ball Diameter | 1.0-20.0 mm |
ZrO2 grinding balls excel in industrial ball milling with remarkable advantages that ensure reliability and efficiency. Their high density provides strong impact force and grinding kinetic energy, accelerating the milling process and improving material fineness uniformity, which is essential for large-scale industrial production. The ultra-low wear loss (≤30 ppm/h) and high hardness minimize bead consumption and avoid contamination of the milled materials, which is crucial for high-purity product manufacturing. Additionally, their excellent chemical stability ensures resistance to acid, alkali, and organic solvents, making them adaptable to diverse industrial milling scenarios without performance degradation.
These ZrO2 grinding balls are widely used in reliable industrial ball milling operations across multiple industries. In the mineral processing industry, they are applied in ball mills for grinding ores (such as gold, copper, and iron ores) to liberate valuable minerals and improve beneficiation efficiency. In the ceramic and refractory industry, they mill ceramic raw materials and refractory powders to achieve uniform particle size distribution, enhancing product strength and performance. They also serve the chemical and new material industries, facilitating the milling of catalysts, pigments, and composite materials, ensuring stable and reliable production processes.
Under normal industrial operating conditions, the service life can reach 3000-5000 hours, which is 3-5 times longer than ordinary alumina grinding balls, significantly reducing replacement frequency.
Yes, they are suitable for both wet and dry ball milling, maintaining stable performance in different medium environments, including water-based and oil-based milling systems.
For large industrial ball mills (capacity >500L), we recommend 5.0-20.0 mm diameter balls to balance grinding efficiency and energy consumption.
They are crafted with ZrO2 ≥95% (yttrium oxide Y2O3 8% stabilized), achieving a Rockwell Hardness (HRC) of ≥88 and a high density of 5.8-6.0 g/cm³.
They effectively mill metallic ores (gold, copper, iron), ceramic raw materials, refractory powders, catalysts, pigments, and advanced composite materials.
With an ultra-low wear loss (≤30 ppm/h), exceptional hardness, and chemical inertness, they minimize bead wear and prevent unwanted chemical or physical contamination.
