We offer a complete product line of ceramic grinding media.

King's MineMate® CM-340 Ceramic Beads

King's beads


King's MineMate® CM-340 Ceramic Beads are breakthrough innovation, which offers an extremely cost-effective option for fine and ultrafine grinding applications.

It is recommended to be used in energy-moderate mills, especially suitable for projects with strict control on long-term OPEX, or with relatively hard minerals to grind.


Metallic minerals like copper, silver, nickel, gold, zinc, PGM, lead, etc.

Non-metallic minerals like graphite, calcium carbonate, kaolin clay, zirconium silicate, titanium dioxide, gypsum and quartz, etc.


Density g/cm3 >3.3
Packing density g/cm3 >1.9
Vickers hardness HV5 >1,050
Roundness* % >99
Standard size** mm 0.4 - 5 (any size breakdown)
Chemical composition   Al2O3, SiO2 and others

* Subject to a max. -3% points deviation for different product sizes

** Special sizes are available upon request