zirconia ceramic ball
Description
Technical Parameters
Products Description
The zirconia ceramic ball grinding medium adopts a 57% zirconia and alumina eutectic microcrystalline matrix, forming a tightly interlocked grain structure without internal cavities. It fills the market gap between low-density high alumina beads and high-density pure zirconia beads, with a packing density controlled at 2.80g/cm ³ to balance grinding kinetic energy and equipment load. Unlike single component grinding media, its phase transition toughening mechanism effectively prevents crack propagation during long-term cycling of sand mills, greatly reducing the fracture rate of beads under continuous material collisions. The smooth mirror surface reduces material adhesion residue and allows for quick color switching without the need for thorough equipment cleaning.
advantage
1. Balance density load
A density of 2.80g/cm ³ can provide sufficient shear force without overloading the sand mill rotor, extending the service life of the rotor and cylinder liner by more than 30%.
2. Ultra low fracture rate
Phase toughening inhibits crack propagation; Under long cycle operation at 1200-1800rpm, the production of crushed bead slag was reduced by 65% compared to conventional alumina beads.
3. Reduce equipment cleaning time
Polishing seamless spherical surfaces minimizes the adhesion of pigment residues and reduces equipment cleaning time by nearly half during batch color changing processes.
4. Low pollution
Strictly control trace elements such as iron and silicon to prevent yellowing of finished coatings and deviation of electronic powder impurities.
5. Wide viscosity compatibility
It has stable dispersibility for water-based, alcohol based, and weak ester solvent slurries, without bead expansion or corrosion.
6. Long service life
The uniform microcrystalline wear loss remains below 1.5g/kg · h, and the monthly replenishment frequency is reduced by more than 50%.
application
Due to its durability and chemical stability, zirconia ceramic balls are widely used in multiple precision industries：
1. Electronic materials
2. Lithium battery positive electrode material
3. Electronic ceramic powder
4. Semiconductor polishing slurry system
5. Chemical treatment
6. Pigment dispersion system
7. Fine chemical grinding
8. Preparation of catalytic materials
9. New materials industry
10. Nano powder grinding
11. Production of functional ceramics
12. High purity oxide processing
13. Coatings and Ink Industry
14. High end pigment grinding
15. Dispersion of inkjet materials
16. Refined coating slurry
Consistent particle size control is crucial in all of these environments. The stability of zirconia ceramic balls helps maintain product uniformity and improve downstream application quality.
Technical data
| Specifications |
ZTA280 |
ZTA320 |
ZTA370 |
ZTA380 |
ZTA450 |
ZTA470 |
|
Al2O3(%) |
≥57 |
≥70 |
≥87 |
≥66 |
≥5 |
≥3 |
|
ZrO2(%) |
≥5 |
≥5 |
≥5 |
≥18 |
≥62 |
≥70 |
|
SiO2(%) |
≤30 |
≤20 |
≤5 |
≤12 |
≤30 |
≤24 |
|
Bulk Density(g/cm³) |
≥2.80 |
≥3.15 |
≥3.70 |
≥3.78 |
≥4.48 |
≥4.60 |
|
HV Hardness(Gpa) |
≥7 |
≥8 |
≥12.5 |
≥11 |
≥10 |
≥10 |
|
Crushing Strength(N) |
≥25 (∅1.5-2) |
≥800 (∅13.5) |
≥1000 (∅3) |
≥12000 (∅8) |
≥1200 (∅3) |
≥1300 (∅3) |
|
Water Absorption |
＜0.01 |
＜0.01 |
＜0.01 |
＜0.01 |
＜0.01 |
＜0.01 |
|
Wear Loss Rate(g/kg.h) |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
|
Sphericity |
≥95% |
≥95% |
≥95% |
≥95% |
≥95% |
≥95% |
Size
|
∅0.2-0.4mm |
∅0.4-0.6mm |
∅0.6-0.8mm |
∅0.8-1.0mm |
∅1.0-1.2mm |
|
∅1.2-1.4mm |
∅1.4-1.6mm |
∅1.5-2.0mm |
∅2.0-2.5mm |
∅2.5-3.0mm |
|
∅3.0-3.5mm |
∅4mm |
∅5mm |
∅8mm |
∅10mm |
Manufacturing process and quality control
Our production of zirconia ceramic balls in Huao involves a strictly controlled ceramic engineering process aimed at ensuring consistency and performance reliability.
The main production stages include:
Selection of raw materials for high-purity zirconia powder
Add stabilizers for phase control
Precision ball forming achieved through isostatic pressing or rolling
High temperature sintering densification
Control cooling to stabilize crystal structure
Grinding and surface polishing
Final inspection and batch performance testing
Each batch of products undergoes hardness, roundness, density uniformity, and wear resistance tests. This ensures that each batch of goods can operate consistently under industrial operating conditions.
Packaging and Logistics
To ensure safe delivery and stable product condition, zirconia ceramic balls are packaged using a moisture-proof packaging system with reinforced sealing.
The packaging options include:
Small batch orders using 25kg waterproof bags and pallets
Large scale orders using sealed waterproof ton bags with lining and pallets
Logistics options:
Shipping of large industrial goods by sea
Air freight (urgent requirement)
Regional delivery by land transportation
All packaging designs are designed to prevent contamination, moisture absorption, and mechanical damage during transportation.
FAQ
Q1: What makes zirconia better than alumina grinding media?
A1: Compared with alumina, zirconia ceramic balls have higher toughness, lower wear rate, and better fracture resistance under high-energy milling conditions.
Q2: Can it be used for wet grinding systems?
A2: Yes, it performs very well in both wet and dry grinding environments, especially in slurry based processing.
Q3: Will it contaminate the product being ground?
A3: No, due to its chemical stability and low wear, it can maintain high purity output even in sensitive applications.
Q4: Which industries benefit the most from this material?
A4: Industries such as lithium batteries, ceramics, pigments, and advanced chemical processing have greatly benefited from its performance.
Q5.:How long does it usually last?
A5: The service life depends on operating conditions, but under the same workload, the service life of zirconia ceramic balls is usually much longer than that of traditional grinding media.
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