Why Choose Micro-Alumina Grinding Balls?
Micro-alumina grinding balls are renowned for their high wear resistance, which is a critical factor in maintaining the integrity and efficiency of grinding processes. Made from high-purity aluminum oxide ceramic (Al2O3 > 92%), these balls exhibit excellent durability, reducing the frequency of media replacement and minimizing downtime.
The high purity of alumina grinding balls ensures that they do not introduce impurities into the materials being processed. This is particularly important in the paint and ink industries, where the quality and consistency of the final product are paramount. Additionally, the high strength of alumina balls allows them to withstand the rigorous demands of grinding operations, providing consistent performance over time.
Alumina grinding balls are extensively used in a wide range of industries beyond paints and inks, including geology, metallurgy, electronics, ceramics, glass, refractory, and chemical engineering. This versatility makes them a valuable addition to any manufacturing process that requires fine grinding and milling.
Understanding the technical specifications of micro-alumina grinding balls is essential for selecting the right media for your specific application. Here are some key specifications:
- Material: Aluminum oxide ceramic (Al2O3 > 92%)
- Density: 3.6 g/cm³
- Shape: Sphere
- Color: White
- Surface Condition: Polished
- Available Sizes: <1 mm to 40 mm
These specifications ensure that alumina grinding balls are compatible with medium-hard materials and are suitable for both dry and wet grinding applications.
Choosing the appropriate size of grinding balls is crucial for optimizing the grinding process. The size of the balls affects the efficiency and quality of the final product. Here are some general recommendations for selecting the size of grinding balls based on the feed material:
- Hard Samples (Feed Particle Size ~10 mm): 30 mm or 40 mm balls
- Medium Size (<5 mm): 20 mm balls
- Fine Material (0.5 mm): 10 mm or 5 mm balls
- Mixing and Blending of Dry or Liquid Materials: 10 mm balls
- Viscous Samples: 20 mm balls
It's important to note that these are general guidelines, and the optimal size of grinding jars and balls should be determined experimentally to achieve the best results.
Micro-alumina grinding balls offer several advantages over other types of grinding media, such as stainless steel, zirconium oxide, and tungsten carbide:
- Lower Wear and Tear: Alumina balls have a lower wear rate, which extends the service life of the grinding media and reduces contamination.
- Cost-Effectiveness: Despite their superior performance, alumina balls are often more economical than other high-density media, making them a cost-effective choice for many applications.
- Reduced Contamination: The high purity of alumina balls minimizes the risk of contaminating the materials being processed, ensuring the integrity of the final product.
In the paint and ink industries, achieving the right particle size and consistency is crucial for producing high-quality products. Micro-alumina grinding balls are ideal for these applications due to their ability to produce fine, uniform particles. They are commonly used in:
- Pigment Grinding: Ensuring that pigments are ground to the desired size for optimal color and consistency.
- Ink Manufacturing: Achieving the right viscosity and flow properties for inks used in printing and other applications.
- Coating Formulations: Producing coatings with the desired texture and finish.
●Sizes Φ:
| Size(mm) |
Size(mm) |
Size(mm) |
Size(mm) |
| 0.5-1.0 |
6.0 |
20.0 |
70.0 |
| 1.0 |
8.0 |
25.0 |
80.0 |
| 2.0 |
10.0 |
30.0 |
90.0 |
| 3.0 |
13.0 |
40.0 |
100.0 |
| 4.0 |
15.0 |
50.0 |
|
| 5.0 |
18.0 |
60.0 |
|
●Package:
25KG/woven bag,1000KG-1250KG for one pallet with shrink wrapped
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