Grinding Balls

Most Common Diameters: 30, 40, and 50 mm

  • Al2O3 Content: 95 %
  • Bulk Density: 3.7 g/cm³
  • Water Absorption: Less than 0.05 %
  • Bending Strength: 300 MPa
  • Compressive Strength: 2000 MPa
  • Hardness: 78 HRC / Mohs 9
  • Maximum Operating Temperature: 1600°C
  • Thermal Conductivity: 20 W/mK at 100°C
  • Measured Electrical Resistance: 5.107 Ω x m at 700°C
  • Dielectric Strength: 30 kV ef/mm at 20°C
  • Dielectric Constant: 12 at 10 MHz and 20°C