Pink Color 95 Alumina Cermaic Rod 3.6g/Cm3 Al2O3 Aluminum Oxide
Factory Direct Sale Pink Color 95% Alumina Cermaic Rod
Alumina rod is made of aluminum oxide (Al2O3) ceramic – a fine ceramic material that is widely used in various industries. Aluminum oxide rod has superb performance in electrical insulation, high chemical resistance, and low thermal expansion.
About this item
Common application are: kiln/furnace components, spacers, bushings, insulators, nozzles, sleeves, seal rings, support pins & wear resistant components.
Readily available material with reasonable cost possessing excellent properties handling thermal and mechanical shock.
Can be fabricated and used in a wide range of applications from stock to tight tolerance machined parts.
Safe operating temperature up to 2500ºF
| Properties | Unit | Steatite ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic |
| Density | g/cm³ | 2.8 | 3.6 | 3.8 | 5.6 |
| Flexural strength | Mpa | 145 | 300 | 300 | 354 |
| Max Working Temperature | ℃ | 1100 | 1400 | 1600 | 1400 |
| Sintering temperature | ℃ | 1350 | 1700 | 1750 | 1550 |
| Heat resistance | T(℃) | 200 | 220 | 200 | 350 |
| Hardness | Gpa | 5.7 | 7 | 10.7 | 12.3 |
| Elastic modulus | Gpa | 120 | 275 | 320 | 205 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 | 0.30 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 | 9 |
| Insulation breakdown Intensity | KT/mm | 10 | 16 | 18 | 15 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 | 2.5 |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.4 |
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