| Performance parameters of alumina ceramics | ||
| Type | Unit | 99.9ceramic |
| Alumina content | % | 99.9 |
| Density | g/cm3 | 3.94 |
| Color | - | - |
| Water absorption | % | 0 |
| Young's modulus | Gpa | 359 |
| Webster Hardness | Gpa | 26 |
| Compressive strength | Mpa | 2558 |
| Flexural Strength | Mpa | 315 |
| Thermal conductivity | W/m.k | 35-40 |
| Thermal shock resistant strength | △（℃） | 225 |
| Maximum usage temperature | ℃ | 1770 |
| Volumetric resistivity | Ω.cm | ＞10∧14 |
| Dielectric constant | - | 9.86 |
| Dielectric strength | KV/mm | 23.8 |
Properties of Alumina/Aluminum Oxide (Al2O3)
1.Very good electrical insulation (1x1014 to 1x1015 Ωcm)
2.Moderate to extremely high mechanical strength (300 to 630 MPa)
3.Very high compressive strength (2,000 to 4,000 MPa)
4.High hardness (15 to 19 GPa)
5.Moderate thermal conductivity (20 to 30 W/mK)
6.High corrosion and wear resistance
7.Good gliding properties
8.Low density (3.75 to 3.9 g/cm3)
9.Operating temperature without mechanical load 1,000 to 1,500°C.
10.Bioinert and food compatible
Products and Aplications
– Pieces, Plates, Boards, Trays, etc. in Alumina-Ceramic / Cordierite-Mullite
– Tubes, Rods, Rollers, Supports, etc. in Alumina-Ceramic / Cordierite-Mullite
– Protection, Thermocouples, Insulation, etc. in Alumina-Ceramic / Cordierite-Mullite
– Pieces, Plates, Tubes, Rods, Rollers, etc. in Zirconium Oxide
– others
| For more information about ceramics parts,please contact our engineers in time >>> |
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