high Alumina Grinding Ball

92% Alumina Grinding Ball, it is a grinding body used in ball mill, pot mill, librating mill etc. High density, low wear loss    92% Alumina Grinding Ball:The products are featured by high hardness, big density, low wear lost, good normalizations, good corrosion-resistance etc. They are the most ideal high-efficient grinding media for milling glaze materials, and various powdered ore. They are using ceramics, cements, paints, refractory, inorganic mineral powders and other materials to form.Features:1. High wear-resisting: The alumina balls wear resisting is higher than the common ceramic balls. When it is working, the ball will not pollute the grinded materials, so it can keep the purity and improve the stability of grinded materials especially the ceramic glaze. 2. High density: the high density, high hardness and the high grinding characters save the grinding time, enlarge the smashing room. So It can improve the grinding efficiency.  Index for alumina grinding balls:

Product	Al2O3(%)	Density(g/cm3)	Water absorption(%)	Mohs hardness(scale)	Abrasion loss(%)
75 series	75	≥3.25	≤0.02	8-8.5	≤0.01
92 series	92	≥3.65	≤0.02	9	≤0.01

  The standard specification of alumina ceramic grinding ball:

Diameter(mm)

φ25

φ30

φ40

φ50

φ60

φ70

 

high Alumina Grinding Ball