The specific parameters of this imported Hiraceramics Billa alumina ball M material (93% standard purity, wet grinding) are as follows:

Basic Parameters

• Purity：93%。

• Density：3.61 g/cm³。

Granularity/Diameter

• Particle size range：0.5-30mm。

Mohs hardness

• Mohs hardnessThe Mohs hardness of alumina balls is typically around 9, which is an approximate value, as Mohs hardness and Vickers hardness are based on different testing principles and methods. The specific value may vary depending on the testing conditions and methods used.

Coarseness

• CoarsenessMaterial M is suitable for coarse grinding applications, specifically for grinding scenarios where the target particle size D50 > 20μm. This means it is better suited for processing larger particles and performing initial crushing and grinding.

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• Granularity/Diameter (μm)Although the particle size range of Material M is 0.5-30mm, the specific particle size distribution (in micrometers) should be selected based on the actual application requirements. For example, if a finer grinding effect is needed, alumina balls with a smaller particle size can be chosen; if coarse grinding is required, alumina balls with a larger particle size can be selected.

• Mohs hardnessThe Mohs hardness of alumina balls is approximately 9, which gives them high wear resistance and compressive strength, making them suitable for use in high-intensity grinding environments.

• Cost-effectivenessCompared to high-purity models, the cost of M-grade material is reduced by 30%, making it a cost-effective choice, especially suitable for applications that require cost reduction while still demanding a certain level of grinding performance.

These parameters make M-material alumina balls a cost-effective choice for various wet grinding applications, particularly suitable for scenarios such as building ceramic blanks and rough grinding of refractory materials.