Alumina grinding media medias are made with super fine alumina powders, and has characteristics of High hardness, Non-conductive, Non-magnetic, Super insulatibity and Low price

Size available:2-10mm, 20mm, 30mm, 40mm, 50mm, 60mm

Applied fields: Building materials, Chemicals, Cements, Paints, Ceramic glaze and body, Kaolin clay, Quartz, limestone, etc.

Packing: 25kg net in PP bag or big bags of 1000kg net.


Al2O3 91±1% min
SiO2 7% max
CaO+MgO+Fe2O3+others 2%
Specific Density ≥3.6g/cm3
Hardness(Mohs) 9
Crushing Strength ≥2000mpa

Water Absorption ≤0.015%
Self wearing (24h) ≤0.019%
Color White
Roundness ＞90%