We offer a complete product line of ceramic grinding media.

King's MineMate® ZR-320 Ceramic Beads

King's beads


King's Minemate® ZR-320 Ceramic Beads are high-end product for mills with excellently outstanding performance in terms of wear resistance and grinding efficiency.

King's Minemate® ZR-320 Ceramic Beads are specially developed for grinding abrasive and hard minerals, and also suitable for the grinding tasks requiring high reduction ratio.


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 >3.2
Packing density g/cm3 >1.9
Vickers hardness HV5 >1,000
Roundness* % >99
Standard size** mm 0.4 - 8 (any size breakdown)
Chemical composition   Al2O3, ZrO2, SiO2 and others

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

** Special sizes are available upon request