Brand:DEWIN
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Ceramics (Ceramic parts and balls)
Al2O3 ball Alumina ball
| Contents | Unit | Characteristics |
| Composition | % | 99.3-99.5 |
| Specific Gravity | g/cm3 | 3.7-3.99 |
| Coefficient of Linear Expansion | 10-6/k | 6.5-8.6 |
| Youngs Modulus | Gpa | 407 |
| Hardness HV10 | Kg/mm | 2300-2700 |
| Bending Strength | Mpa | 300-400 |
| Fracture Toughness | Mpam1/2 | 2.0-4.0 |
| Working Temperature | °C | >800 |



