Ceramic rods for the production of resistors (Al2O3) aluminum oxide
Main Specifications
- Type: ceramic rods
- Size: according to customer drawings
- Material: Al2O3 aluminum oxide (96-99,7%)
- Color: White or Ivory
- Maximum operating temperature: 1700
- Features: High mechanical strength, good thermal conductivity.
Item | Unit symbol | 95% Alumina Ceramics | 99% Alumina Ceramics | 99.7% Alumina Ceramics |
Maximum Using Temperature | ℃ | 1600 | 1700 | 1700 |
Water absorption | % | 0 | 0 | 0 |
hardness | Gpa | ≥85 | ≥89 | ≥89 |
Flexural strength | MPa (psi x 103) | 336 | 550 | 550 |
Compressive Strength | MPa (psi x 103) | 2000 | 2500 | 2500 |
Fracture toughness | Mpa | 4 ~ 5 | 5.6 | 6 |
Thermal conductivity | W / m ° K | 18 – 25 | 30 | 30.4 |
Thermal shock resistance | ° C | 220 | 180 – 220 | 180 – 220 |
Dielectricity constant |
| 9.4 | 9.8 | 9.8 |
Dielectric strength | kV / mm | 16 | 22 | 22 |
