Alumina grinding ball 1. Wearable with low abrasion 2. Multiple sizes 3. For deburring or rough grinding 4. Comply with ROHS
Alumina grinding ball
The alumina grinding ball is of high density and mechanical strength, good wear-resisting property, and it is a economical non-metal grinding material, which is common used. alumina grinding ball is widely used in the fields of machinery, electronics, hardwares, aerospace, etc.
Here is the data of alumina grinding ball
Physical Properties | Chemical Composition | |||
Item |
| Index | Item | Index |
Density | G/cm3 | 2.3-3.5 | aluminium oxide Al2O3 | 80-95% |
Specific Heat Capacity | Cal/g°C | 0.17-0.2 | Silica SiO2 | 3-17% |
Compression Strength | Kg/cm2 | ≥1500 | magnesium oxide MgO | 0.5% |
Hardness | Mohs | >7 | ferric oxide Fe2O | 0.3% |
Abrasion | % | <0.05 | calcium oxide CaO | 0.2% |
Water Absorption | % | >1 | sodium oxide Na2O | 0.1% |
others | micro-amount | |||
Our alumina grinding ball for metal grinding.
Material | Shape | Size(mm) | ||||||||
alumina porcelain | ball | Φ2 | Φ3 | Φ4 | Φ6 | Φ8 | Φ10 | Φ12 |
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Oblique / regular triangle | 3*3 | 4*4 | 6*6 | 8*8 | 10*10 | 15*15 | 20*20 | … | 40*40 | |
Oblique Cylinder | Φ6*12 | Φ8*16 | Φ10*20 | Φ15*30 |
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Alumina Grinding Ball for Metal Parts Grinding
