Description: These are premium-grade, high-purity zirconia ball milling jars designed as consumable accessories for planetary ball mills. Available in a comprehensive range of volumes from 50ml to 5L, they are engineered for applications where exceptional wear resistance, extreme heat resistance, and absolute minimal contamination are critical. They represent the ultimate choice for the most demanding sample preparation tasks.
Physical Parameters
| Composition % | Specific Gravity g/cm3 | Bulk Density kg/L | Hardness Mho’s |
| ZrO2 : 95±0.2 Y2O3 : 5±0.2 | ≥6.02 | ≥3.7 | 9 |
Specification Parameters
| Volume of Jar | Inner Diameter
(mm) | External Diameter
(mm) | Inner Depth (mm) | Height of without lid (mm) | Total Height
(mm) | Weight (g) |
| 50ml | 38 | 55 | 52 | 60 | 67 | 610 |
| 100ml | 50 | 65 | 58 | 66 | 75 | 835 |
| 250ml | 74 | 92 | 70 | 78 | 88 | 1760 |
| 500ml | 84 | 100 | 100 | 108 | 118 | 2300 |
| 1L | 108 | 128 | 128 | 138 | 150 | 4780 |
| 2L | 138 | 158 | 140 | 150 | 162 | 6750 |
| 3L | 138 | 158 | 198 | 208 | 220 | 8400 |
| Remarks:1. Size deviation within ±2mm； 2. Weight deviation within ±0.2KG |
1. Core Material & Properties
Material: High-Purity Yttria-Stabilized Zirconia (YSZ), typically 95% ZrO₂ + 5% Y₂O₃.
Key Properties:
- Superlative Wear Resistance: The hardest and most wear-resistant material available for mill jars. This property is paramount for maintaining consistent results and achieving nano-scale grinds without introducing coarse particles from jar wear.
- Extreme Heat Resistance: Withstands temperatures far exceeding those generated during the milling process (>1500°C). This makes them suitable for milling operations that may generate significant heat and for samples that are temperature-sensitive.
- Ultra-Low Contamination: Introduces only negligible traces of zirconium and yttrium oxides, which are often inert in most chemical and material synthesis processes. This is the primary advantage over alumina and stainless steel jars.
- High Fracture Toughness: Exceptional resistance to chipping and impact, making them significantly more durable and longer-lasting than alumina or agate jars.
2. Product Specifications & Range
Type: Planetary Ball Mill Jar (Vertical Cylindrical Design)
Capacity Range: 50ml, 100ml, 250ml, 500ml, 1L, 2L, 3L, 5L (Fully customizable sizes within this range are available)
Sealing System: Hermetic seal with a clamped or screwed lid, featuring a high-temperature silicone or Viton® O-ring. Options for lids with gas inlet/outlet valves for inert atmosphere milling are available.
Status: Laboratory Consumable. While incredibly durable, they are designed for high-throughput labs and are considered a replaceable component to ensure ongoing process integrity.
3. Key Advantages
- Unmatched Purity: Essential for research where any foreign element contamination (Fe, Cr, Ni, Al) would compromise the material's properties or analytical results. Ideal for battery materials, pharmaceuticals, and advanced ceramics.
- Longest Service Life: The combination of extreme hardness and high toughness ensures the longest operational lifespan of any jar material, providing excellent value over time despite a higher initial investment.
- Consistent Nano-Grinding Performance: Enables true and reproducible nano-scale particle size reduction by preventing re-contamination with larger wear debris.
- Versatile Application Range: Suitable for both high-energy mechanical alloying and gentle mixing, across a wide temperature spectrum.
4. Applications
These jars are critical consumables in advanced material research and development:
- Battery Material Synthesis: Grinding of cathode (NMC, LFP) and anode (silicon, graphite) materials where iron contamination is catastrophic for performance.
- Pharmaceutical Nanoization: Size reduction of Active Pharmaceutical Ingredients (APIs) to enhance bioavailability without metallic impurities.
- Mechanical Alloying: Synthesis of novel metallic alloys and composite materials from elemental powders.
- Advanced Ceramics Production: Processing of precursor powders for technical ceramics (e.g., ZTA, silicon nitride).
- Pilot-Scale Production: Larger jars (2L-5L) are used to scale up successful lab-scale processes.
5. Why Classify as a Consumable?
Even the most wear-resistant materials experience gradual degradation over time. Classifying these jars as consumables ensures:
- Process Consistency: Replacing jars at recommended intervals guarantees that contamination levels remain consistently low and that grinding efficiency does not diminish due to changes in jar surface geometry.
- Data Integrity: For quality control and publication purposes, using a jar with a known history prevents skewed results from a worn-out vessel.
- Operational Safety: Proactive replacement mitigates the very low risk of catastrophic failure after extensive use.
Summary
For laboratories where precision, purity, and performance are non-negotiable, these high-purity zirconia planetary jars are not just an accessory but an essential consumable. They provide the foundation for reliable, contamination-free grinding and mixing, enabling innovation in nanotechnology and advanced material science.
Available from 50ml to 5L, they cover the entire spectrum of laboratory needs, from initial R&D to pilot-scale production.
Contact us to discuss your specific capacity requirements and to request a quotation for these premium, wear-resistant consumables.
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