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Medium alumina grinding ball D30mm, D40mm, D50mm, D60mm
Medium alumina grinding ball produced by isostatic machines and sintered in high temperature tunnel kiln. Its wear resistance is increased 20-40times and its grinding efficiency is increased 40-60% compared with natural stone ball and normal ceramic balls. Except that using medium alumina grinding ball will increase the working life of mill.
Characteristics of alumina grinding ball from us:
High density
High hardness
High temperature resistance
High pressure ability
Anti-alkali and sulfur corrosion
Item |
Alumina grinding ball |
Al2O3 |
≥70% |
B.D g/cm3 |
2.95-3.00 |
Abrasiveness |
≤0.027% |
Water absorption |
≤0.02 |
Mohs hardness |
≥8 |
Color |
white,light yellow,ivory |
Diameter |
30mm,40mm,50mm,60mm |