Product Description
In the ever-evolving mining industry, efficiency and cost-effectiveness are paramount. One crucial component that significantly impacts these factors is the choice of milling media. Zirconia milling media, renowned for its high impact, wear resistance, and corrosion resistance, is increasingly becoming the preferred choice for mining slurries.
Zirconia milling media, often referred to as zirconium oxide grinding balls, are used extensively in grinding and milling processes. These media are made from high-purity zirconia powder, stabilized with yttria (Y2O3), which enhances their mechanical properties, making them ideal for high-precision grinding and dispersion tasks.
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High Density: Zirconia milling media boast a high specific density, typically around 6.0 g/cm³. This high density provides superior grinding efficiency, resulting in reduced milling time and improved productivity.
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Wear Resistance: One of the standout features of zirconia milling media is their exceptional wear resistance. This quality ensures a longer operational life, minimizing the need for frequent replacements and reducing overall operational costs.
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Corrosion Resistance: Zirconia media are chemically inert, providing excellent resistance to corrosion when exposed to acidic and alkaline environments. This makes them ideal for mining slurries, which often contain corrosive materials.
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Mechanical Strength: With a hardness exceeding Mohs 9.0, zirconia milling media exhibit high mechanical strength and toughness, making them suitable for high-impact milling processes.
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Minimal Contamination: Due to their ultra-low wear loss, zirconia milling media ensure minimal contamination during milling, making them ideal for applications requiring high purity.
Zirconia milling media are extensively used in the mining industry, particularly for processing slurries. Their high impact and corrosion-resistant properties make them suitable for grinding and dispersing a wide range of materials, including:
- Metallic Ores: Zirconia media are used for milling ores such as gold, silver, and copper, ensuring efficient particle size reduction and improved extraction processes.
- Ceramic Products: They are ideal for the attrition and ball milling of ceramic products, where minimal contamination and high precision are crucial.
- Advanced Materials: Zirconia media are used in the dispersion of advanced structural ceramic materials, enhancing the overall quality of the final product.
Several types of zirconia milling media are available, each offering unique benefits tailored to specific applications:
YSZ media are made from zirconia stabilized with yttria, offering superior density, wear resistance, and mechanical strength. They are ideal for high-precision grinding, milling, and dispersion processes, particularly in environments requiring minimal contamination.
Zirconia silicate beads contain 60-65% zirconia and are widely used in titanium oxide powder milling and grinding. They offer an economic solution for applications requiring high wear resistance and cost-effectiveness.
ZTA beads, also known as aluminum toughened zirconia beads, provide an economic grinding media option for milling and dispersion tasks. They are particularly suitable for stirred mills, horizontal mills, and vibratory mills.
Selecting the appropriate zirconia milling media involves considering several factors, including the specific application, desired particle size, and milling machine compatibility. Here are some guidelines to help in the selection process:
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Media Size: Large media work best with large particles, while smaller media are ideal for finer particles. Ensure the media size matches the milling machine's specifications to avoid jamming.
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Machine Compatibility: Different machines, such as conventional ball mills, attrition mills, and planetary ball mills, require specific media types and sizes. Consult with professionals to determine the best fit for your equipment.
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Material Properties: Assess the chemical and thermal stability of the media to ensure compatibility with the materials being processed.
| Diameter(mm) |
Each ball weight(g) |
100g balls qty(pcs) |
| 1 |
0.00314 |
31847 |
| 2 |
0.02512 |
3981 |
| 3 |
0.08478 |
1180 |
| 4 |
0.20096 |
498 |
| 5 |
0.3925 |
255 |
| 6 |
0.67824 |
147 |
| 7 |
1.07702 |
93 |
| 8 |
1.60768 |
62 |
| 10 |
3.14 |
32 |
| 12 |
5.42592 |
18 |
| 15 |
10.5975 |
9 |
| 20 |
25.12 |
4 |
●Chemical Composition:
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Composition
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ZrO2
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Y2O3 + Others
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|
Content %
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94.6
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5.4
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●Physical Properties:
|
Specific Gravity
g/cm3
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Bulk Density
kg/L
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Hardness
Mohs
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Hardness Hv
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Fracture Toughness MPam1-2
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Crushing Load
Kg.f (Φ0.3mm)
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Grain size
um
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Sphericity
(%)
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|
≥6.03
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≥ 3.76
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9
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≥1210
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9
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8.2
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≤0.3
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≥98
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40times under microscope for 0.3mm YSZ ball
● Inner structure:
● Size distribution:
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product name:
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Yttria stabilized zirconia bead
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size:
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Φ0.3mm
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|
100pcs test result by selected random(unit: mm)
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|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.28
|
0.29
|
0.3
|
0.31
|
0.32
|
|
0.29
|
0.29
|
0.31
|
0.31
|
0.32
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.32
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.32
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.31
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.33
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.34
|
|
0.29
|
0.3
|
0.31
|
0.32
|
0.34
|
|
0.29
|
0.3
|
0.3
|
0.3
|
0.36
|
|
0.29
|
0.3
|
0.3
|
0.3
|
0.3
|
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●Features:
It has high density and hardness, making it suitable for high-quality products, such as ceramic inking, automobile, paints and coating.
It is suitable for high-efficiency horizontal mills and basket mills.
Low contamination of the milling product.
It is suitable for industries requiring nano-sized particles.
●Pakage:
25KG/Plastic Drum, 800-1000KG/Pallet with shrink wrapped
●Storage:
The grinding media should be stored in a dry and clean place.
Factory equipment
Exhibition & Partner
Case
Ship to philipine
Ship to Germany
FAQ
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How do I store zirconia grinding beads?
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What is the cost of zirconia grinding beads?
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Can zirconia beads cause contamination?
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What industries use zirconia grinding beads?
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They are used in pharmaceuticals, paints, coatings, ceramics, electronics, and nanotechnology industries.
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