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Detailed introduction about the Ceramic Grinding Balls

07/12/2023 10:00:13

Alumina Beads


Alumina Beads


Alumina Beads are specially formulated to be used in high-energy mills in which a high degree of fineness is required. They are used in various industrial fields such as inks, paints, advanced ceramics, mining, cosmetics and pharmaceutical industries. They are a perfectly spherical shape with high mechanical properties and high wear resistance at a moderate price.


  • ▪ Specific Gravity:3.9

  • ▪ Hardness: Mohs 9, VICKERS (0.5 kg) 1200 ± 50

  • ▪ Relative Cost: Low to Moderate


Silicon Carbide Balls


Silicon Carbide Balls


Silicon Carbide Balls are very high-cost grinding media that are used for milling same materials (silicon carbide ball to mill silicon carbide materials) to avoid contamination. They are a special order item.


  • ▪ Specific Gravity: 3.1

  • ▪ Hardness: KNOOP 2500 kg/mm2

  • ▪ Relative Cost: Very High


Silicon Nitride Balls


Silicon Nitride Balls


Silicon Nitride Balls are very high-cost grinding media that are used for milling same materials (silicon nitride ball to mill silicon nitride materials) to avoid contamination. They are a special order item.


  • ▪ Specific Gravity: 3.2

  • ▪ Hardness: Hv10 = 1300

  • ▪ Relative Cost: Very High


Zirconium Oxide Balls


Zirconium Oxide Balls


Zirconium Oxide Balls (95% ZrO2) are the strongest, best wearing ceramic media for metal-free, pharmaceutical and food processing grinding. These balls have a white, shiny appearance.


  • ▪ Specific Gravity: 6.0

  • ▪ Hardness: Hv 1150 kg/mm2

  • ▪ Relative Cost: High


Alumina Toughened Zirconia Beads


Alumina Toughened Zirconia Beads


Impact and wear resistance: Toughened ceramics have good toughness at high temperatures, and can be easily handled even when used in equipment with high working intensity. ZTA composite grinding ball has good toughness and is suitable for high temperature and high speed grinding equipment;


  • ▪ Specific Gravity: 3.2

  • ▪ Hardness: Hv 1100 kg/mm2

  • ▪ Relative Cost: High


Thank you for reading our article and we hope it can help you to have a better understanding of different types of grinding media. There are many more grinding media that you can select from for a variety of industrial grinding and milling processes. Keep in mind that the material you want to grind almost always determines the choice of grinding media used.



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