Zirconia Grinding Jar is a high-performance milling container
used in ball mills, planetary ball mills, and other grinding
equipment for mixing, homogenizing, and reducing particle size in
various materials. Made from yttria-stabilized zirconia (YSZ),
these jars are known for their exceptional hardness, wear
resistance, and chemical inertness, making them ideal for demanding
grinding applications.
Key Features & Specifications
1. Material Composition
Primary Material: Yttria-stabilized zirconia (YSZ –
typically 3% or 8% Y₂O₃)
Density: ~6.0 g/cm³
Hardness: ~9 on the Mohs scale (comparable to tungsten
carbide)
Flexural Strength: ~900-1200 MPa
Fracture Toughness: High resistance to cracking
2. Design & Construction
Shape: Cylindrical with a tight-sealing lid
Available Sizes: Ranging from 50 mL to 1000
mL (common sizes: 100 mL, 250 mL, 500 mL)
Lid Mechanism: O-ring sealed for airtight operation (prevents
contamination)
Grinding Media Compatibility: Works with zirconia, alumina, or
stainless steel balls
3. Advantages
✅ Superior Wear Resistance – Minimizes contamination due
to minimal abrasion.
✅ High Mechanical Strength – Withstands high-impact
grinding conditions.
✅ Chemical Inertness – Resistant to acids, alkalis, and
organic solvents.
✅ Low Contamination – Ideal for ultra-fine grinding of
ceramics, pharmaceuticals, and electronic materials.
✅ Thermal Stability – Can endure high temperatures (up
to 1000°C).
4. Applications
Nanoparticle synthesis (e.g., ceramics, metal oxides)
Pharmaceutical & biomedical research
Battery materials processing (Li-ion, cathode/anode materials)
Geology & mineralogy (sample preparation for XRF/XRD
analysis)
Food & cosmetics (fine powder homogenization)
5. Maintenance & Handling
Cleaning: Use ultrasonic cleaners with mild detergents or
dilute acids.
Storage: Keep in a dry environment to prevent moisture
absorption.
Avoid: Sudden thermal shocks to prevent micro-cracks.
Why Choose Zirconia Over Other Materials?
| Property | Zirconia | Alumina | Stainless Steel |
|---|
| Hardness | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐ |
| Wear Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐ |
| Contamination Risk | Very Low | Moderate | High |
| Chemical Resistance | Excellent | Good | Poor (corrosion risk) |
| Cost | High | Medium | Low |
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