The alumina grinding ball
The alumina grinding ball has been widely used in ball mills as abrasive media for ceramic raw materials and glaze materials in ceramic factories, cement factories, enamel factories and glasswork owing to the excellence of high density, high hardness, high wear resistance. During the abrasive/grinding processing, ceramic balls will not break up, it will not pollute the grinded material as well.
Type:According to the content of aluminum:55-65%\65-75%\92%\95%
According to the specification:19mm-60mm
Wear-resisting main technical parameter of ball
Al2O3Content | proportion | don't hardness | compression strength | absorbing water rate | wearing and tear rate |
55-65-95% | 2.7-2.7-3.7g/mm3 | ≥8.5 | ≥1690MPa | ≤0.2% | 0.05% |
Main Technical Parameter
Compression Resistance stress | Validweight Intenerate Temperature | Fire Resistance | Channel Density | Refire Shrinkage |
≥500kg/CM2 | 0.1MPa-1450℃ | ≥1790℃ | ≤21 | ≤0.1% |
Physical Functions
product Name | Proportion g/cm3 | Wearing and tear rate g/kg.h | Water absorption % | Grade Mohs Hardness |
high Aluminum ceramic balls | 3.2-3.5 | ≤0.3 | ≤0.05 | 6 |
middle Aluminum ceramic balls | 2.5-2.7 | ≤0.5 | ≤0.2 | 7 |
corundum nitride ball | 2.8-2.9 | ≤0.4 | ≤0.05 | 8 |
Ceramic Balls | 2.2-2.4 | ≤5.0 | ≤0.5 | 6 |
Chemistry Functions
product Name | Al2O3 (%) | SiO2 (%) | Fe2O3 (%) | other (%) |
high Aluminum ceramic balls | 75-95 | 24-4 | <0.3 | 0.7 |
middle Aluminum ceramic balls | 55-65 | 40-30 | <0.5 | 4.5 |
corundum nitride ball | 60-70 | 35-25 | <0.5 | 4.5 |
Ceramic Balls | 19-23 | 76-72 | <0.5 | 4.5 |
