Alumina grinding balls 1.Density>3.62g/cm3 2.Wear lost<0.009 % 3.Size range:1.5mm ~70mm 4.Manufactory type:CIP or Rolling

Alumina grinding balls have characteristics of high strength, high density, high abrasion, entire specification,strong practicability. It can be used for ball mill, mixing mill, vibration mill, sand mill, etc. The products are widely used in construction ceramics, sanitary ceramics, kaolins, refractory materials, paints, coatings and other fields.

    Normal size range: Diameter 20mm,25mm,30mm,40mm,50mm,60mm,70mm.

 Performance Index of Wear-resistant Alumina Ball

Performance Index	HXMM70 Series	HXMM80 Series	HXMH92 Series	HXMH95 Series
Al2O3(%)	≥70	≥80	≥92	≥95
Fe2O3(%)	≤1.5	≤0.5	≤0.25	≤0.2
Mohs Hardness	9	9	9	9
Water Absorption Rate(%)	≤0.02	≤0.02	≤0.02	≤0.02
Bulk Density(g/cm3)	≥3.0	≥3.2	≥3.60	≥3.65
Wearing Lost(‰)	≤0.2	≤0.2	≤0.15	≤0.10

  

Alumina grinding balls