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Products Introduction of Grinding Ball
Grinding Balls are suitable for grinding medium used in ball grinding machines.
Product Parameters
Technical Specification of Grinding Ball
Product | Al2O3 % | Bulk density g/cm2 | Water absorption | Mohs hardness scale | Abrasion loss % | Color | |
High alumina grinding balls | 92 | 3.65 | 0.01 | 9 | 0.011 | White | |
Medium alumina grinding balls | 65-70 | 2.93 | 0.01 | 8 | 0.01 | Yellow-White | |
Appearance demand | |||||||
| High alumina grinding balls | Medium alumina grinding balls | |||||
Crack | Not permission | Not permission | |||||
Impurity | Not permission | Not permission | |||||
Foam hole | Above 1mm not permission, size in 0.5mm permit 3 balls. | ||||||
Flaw | Max. size in 0.3mm permit 3 balls. | ||||||
Advantage | a) High alumina content | ||||||
Warranty | a) By national standard HG/T 3683.1-2000 | ||||||
Items | Proportion | Items | Proportion |
Al2O3 | 65-70% | SiO2 | 30-15 |
Fe2O3 | 0.41 | MgO | 0.10 |
CaO | 0.16 | TiO2 | 1.71 |
K2O | 4.11 | Na2O | 0.57 |
Spec.(mm) | Volume(cm3) | Weight(g/pc) |
Φ30 | 14 ± 1.5 | 43 ± 2 |
Φ40 | 25 ± 1.5 | 100 ± 2 |
Φ50 | 39 ± 2 | 193 ± 2 |
Φ60 | 58 ± 2 | 335 ± 2 |
Items | Proportion | Items | Proportion |
Al2O3 | ≥92% | SiO2 | 3.81% |
Fe2O3 | 0.06% | MgO | 0.80% |
CaO | 1.09% | TiO2 | 0.02% |
K2O | 0.08% | Na2O | 0.56% |
Spec.(mm) | Volume(cm3) | Weight(g/pc) |
Φ30 | 14 ± 1.5 | 43 ± 2 |
Φ40 | 25 ± 1.5 | 126 ± 2 |
Φ50 | 39 ± 2 | 242 ± 2 |
Φ60 | 58 ± 2 | 407 ± 2 |
