| Item | Round Cylindrical Crucible |
| Product name | Alumina Ceramic Crucible |
| Type | Industrial Ceramic |
| Material | Alumina |
| Application | Labware |
| Processing Service | Milling, Mixing, Molding, Sintering, Machining |
| Color | White |
| Purity | 99% , 97%, 96%, 95% |
| Density | 3.9 g/cm 3 |
| Hardness | 9 Mohs Scale |
| Flexural Strength | 375 Mpa |
| Compressive Strength | 2300 Mpa |
| Max Working Temperature | 1750 ºC |
| Thermal conductivity 25ºC (W/m.K) | 35 W/mk |
| Thermal Expansion 0-800ºC (10 -6 /ºC) | 7.6 |
| Volume Resistivity 20ºC (Ω.cm 3 ) | >10 14 |
| Water Absorption | None |
| Permeability | Gas-tight |
| Chemical Test | Hot Concentrated Sulfuric Acid ,100ºC |