We offer a complete product line of ceramic grinding media.

King's MineMate® ZR-400 Ceramic Beads

King's beads


King's MineMate® ZR-400 Ceramic Beads are specially designed for superfine grinding mills with high speed and energy input.

King's MineMate® ZR-400 Ceramic Beads are ideal combination of high grinding efficiency and low wear rate. It can be widely used in energy intensive mills.


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.

Advanced ceramic materials, frits and glazes.

Chemical materials, paint, pigment, printing ink, dye.


Density g/cm3 >4.0
Packing density g/cm3 >2.4
Vickers hardness HV5 >1,000
Roundness* % >99
Standard size** mm 0.4 - 11 (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