Zirconium Oxide Balls - High Hardness Wear Resistant Zirconia Grinding Media
High-hardness zirconium oxide balls, also known as zirconia grinding media, feature exceptional density, superior wear resistance, and chemical inertness. Made from high-purity zirconia ceramic, these beads deliver ultra-low abrasion contamination and long service life compared to glass, alumina or steel media. Their uniform roundness and smooth surface ensure efficient impact and shear force during wet and dry milling, dispersing nanoparticles evenly without discoloring materials. Ideal for high-viscosity slurries, pigments, inks, cosmetics, pharmaceuticals, ceramics, electronic materials and laboratory planetary ball mills. Corrosion-resistant and thermally stable, they reduce maintenance downtime while boosting fineness and batch consistency. Available in standard and customized sizes for industrial bulk production and precision fine grinding applications worldwide.
Parameter
|
Item |
Technical Parameters |
|
Material |
95% Zirconium Oxide (ZrO₂), Yttria Stabilized |
|
Color |
White, Glossy Surface |
|
Density |
≥6.0 g/cm³ |
|
Hardness |
≥1200 HV (Vickers Hardness) |
|
Compressive Strength |
≥2000 MPa |
|
Wear Loss |
≤0.001%/24h (Ultra Low Abrasion) |
|
Sphere Roundness |
≤0.005 mm High Precision Polished |
|
Particle Size Range |
0.1mm / 0.3mm / 1mm / 3mm / 5mm / 10mm - 50mm (Custom OEM Sizes Available) |
|
Thermal Stability |
-50℃ ~ 1200℃ Heat Resistant |
|
Chemical Resistance |
Acid & Alkali Corrosion Resistant, Non-toxic |
|
Main Applications |
Ultrafine Grinding, Dispersing, Milling Media for Ink, Paint, Cosmetics, Pharmacy, Lab Ball Mill |
Applications of Zirconium Oxide Balls (By Category)
1. Grinding & Milling
- Ultra-fine wet/dry grinding for paints, inks, pigments, coatings, cosmetics, pharmaceuticals, ceramics, and electronic materials.
- Low wear contamination ensures high purity of finished slurry; ideal for high-viscosity nano dispersion and laboratory planetary ball mills.
2. Polishing & Surface Finishing
- Precision mirror polishing of glass, silicon wafers, metal parts, jewelry, and ceramic components.
- High hardness and smooth spherical surface deliver uniform grinding force, reducing scratches and improving surface smoothness efficiently.
3. Bearing & Mechanical Components
- Used as wear-resistant rolling elements in miniature bearings, valves, flow meters, and precision machinery.
- Corrosion-proof, non-magnetic, and heat-resistant; suitable for high-speed, high-temperature, or chemical harsh working environments.
4. Sandblasting & Surface Treatment
- High-density blasting media for metal descaling, deburring, rust removal, and surface matting finishing.
- Higher impact toughness than glass beads; reusable with low breakage rate, improving blasting efficiency while lowering overall cost.

