| Performance | |||
| Item | Unit | 99 Al2O3 | |
| Physical Characteristics | Heat resistance | 0C | 1800 |
| Bulk density | g/cm3 | 3.9 | |
| Water absorption | % | 0 | |
| Flexural strength | Mpa | 360 | |
| Mechanical Characteristics | Hardness vickers | Gpa | 15.6 |
| Elastic modulus | Gpa | 370 | |
| Poisson's ratio | - | 0.23 | |
| Thermal Characteristics | Linear expansion coefficient | (200C-5000C) 10-6/0C | 8 |
| Thermal conductivity | w/(m.k) | 32 | |
| Specific Heat | *10-3J/(kg*K) | 0.9 | |
| Electrical Characteristics | Dielectric constant (1MHZ) | - | 9.9 |
| Dielectric loss angle | *10-4 | 1 | |
| Dielectric strength | *106V/m | 15 | |
| Regular size +- mm | |||
| Capacity (ml) | Top dia (mm) | Bottom dia (mm) | Height(mm) |
| 3ml | 20mm | 16mm | 17mm |
| 4ml | 25mm | 19mm | 18mm |
| 5ml | 26mm | 18mm | 21mm |
| 10ml | 30mm | 20mm | 28mm |
| 15ml | 35mm | 21mm | 30mm |
| 20ml | 38mm | 24mm | 35mm |
| 25ml | 40mm | 25mm | 35mm |
| 30ml | 45mm | 27mm | 39mm |
| 40ml | 47mm | 28mm | 43mm |
| 50ml | 50mm | 30mm | 48mm |
| 100ml | 61mm | 31mm | 60mm |
| 150ml | 73mm | 43mm | 67mm |
| 200ml | 82mm | 43mm | 70mm |
| 300ml | 88mm | 53mm | 85mm |
| 500ml | 108mm | 62mm | 108mm |
| 800ml | 113mm | 62mm | 140mm |



Shipping of alumina ceramic crucible : delivery within 15 days after confirm the order.