In the realm of laboratory milling, the choice of grinding media can significantly impact the efficiency and durability of the process. Among the myriad options available, precision Al2O3 (alumina) grinding media stand out for their superior performance and longevity.
Alumina (Al2O3) grinding media are ceramic balls used in ball mills as abrasive media for processing ceramic raw materials, glaze materials, and more. Renowned for their high density, hardness, and wear resistance, these ceramic balls are a staple in various industries, including ceramics, cement, enamel factories, and glasswork plants. The primary advantage of Al2O3 grinding media lies in their ability to minimize contamination during abrasive processes, as they are rarely broken.
- Al2O3 Content: Greater than 92%, ensuring high performance.
- Water Absorption: Less than 0.02%, highlighting their low porosity.
- Mohs Hardness: Grade 9, indicative of their exceptional hardness.
- Attrition Loss: Less than 0.015%, showcasing their durability.
These specifications make Al2O3 grinding media an ideal choice for lab mills, where precision and reliability are paramount.
The high density and hardness of Al2O3 grinding media translate to more efficient grinding processes. The increased weight per volume allows for greater impact force during milling, which in turn reduces grinding time. According to
Duratec, the dense ball stone increases the probability of collision between the ball and the material, significantly improving grinding efficiency.
Al2O3 grinding media boast remarkable wear resistance, which prolongs their lifespan and reduces the frequency of replacements. This durability is crucial in lab settings, where consistent performance is essential. The low attrition loss of less than 0.015% ensures that the grinding media maintain their integrity over extended periods.
One of the standout features of Al2O3 grinding media is their ability to minimize contamination. Unlike other grinding media that may introduce impurities into the milled materials, alumina balls maintain the purity of the process. This is particularly important in industries such as electronics and ceramics, where material integrity is critical.
Al2O3 grinding media are versatile and can be used in both wet and dry milling processes. Their resistance to acids, alkalis, and corrosion makes them suitable for a wide range of applications, from white cement to electronic materials.
Precision Al2O3 grinding media are employed across numerous industries due to their exceptional properties. Some key applications include:
- Ceramics: Used in the grinding and processing of ceramic raw materials and glaze materials.
- Cement: Essential in the production of white cement, where purity and consistency are crucial.
- Electronics: Utilized in the processing of electronic materials, where contamination-free grinding is vital.
- Coatings and Paints: Employed in the milling of raw materials for coatings and paints, ensuring uniformity and quality.
When selecting Al2O3 grinding media for lab mills, it's important to consider factors such as size, purity, and specific application requirements. Different sizes, ranging from less than 1 mm to 90 mm, are available to cater to various milling needs. Additionally, the purity of the alumina balls, which can range from 60% to over 99%, should align with the specific demands of the process.
●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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