Alumina Ball

Powering Progress, Perfectly Sized

Features of Alumina Ball

  • Matching the proper products for different customer situations, reducing investment and improving efficiency.
  • Low wear loss, high strength, good spherical shape, strict quality control and high grinding efficiency.
  • Perfect quality production supervision system, excellent pre-sales and after-sales technical services.
  • Alumina balls offer excellent thermal insulation properties, making them suitable for various thermal applications.
  • Their non-porous surface prevents absorption, ensuring purity and reliability in sensitive applications.

Technical Data

Type HJB-92A HJB-92 HJB-75 HJB-68
Al2O3 (%) 92±0.5 92±1.0 75±2.0 68±2.0
ZrO₂ (%) Nil Nil Nil Nil
Density (g/cm³) 3.67-3.72 3.65-3.70 3.20-3.25 2.95-3.02
Water Absorption (%) Nil Nil <0.01 <0.01
Hardness (MOHS) 9 9 8 8
Wear Loss (%) 0.05±0.01 0.10±0.02 0.15±0.02 0.25±0.05
Color White White Grey Yellowish

Size Tolerance

Size/mm Φ10-20 Φ25-30 Φ40-60 Φ70-90
Tolerance/mm ±0.5 ±1.0 ±1.5 ±2.0
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