We offer a complete product line of ceramic grinding media.

King's MineMate® ZR-450 Ceramic Beads

King's beads


King's MineMate® ZR-450 Ceramic Beads enjoy excellent physical properties thanks to the superior formulation and internal crystal structure.

King's MineMate® ZR-450 Ceramic Beads are designed for high speed fine/superfine grinding mills with harsh milling conditions. It is especially suitable for projects with high demand on milling efficiency and very strict control on long-haul OPEX.


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 > 4.4
Packing density g/cm3 > 2.6
Vickers hardness Kgf/mm2 1,100 - 1,200
Roundness % > 95
Standard size* mm 0.4 - 6 (any size breakdown)
Chemical composition   Al2O3, ZrO2, SiO2 and others

* Special sizes are available upon request