95% 97.7% 99% Al2O3 Alumina Rod
Alumina rods are solid cylindrical structures made from alumina, a highly versatile ceramic material. They offer excellent electrical insulation, high chemical resistance, and exceptional thermal stability. Widely used in various industries, alumina rods serve as insulators, supports, and structural components in electrical equipment and high-temperature applications. They are valued for their reliability, durability, and resistance to wear and thermal expansion.
| Catalog No. | AC0918 |
| Size | Customized |
| Material | Al2O3 |
| Purity | 95% 99% 99.7% |
| Density | 3.8~3.9 g/cm3 |
Alumina Rod Specifications
Composition | UNIT | Al95 | Al99 | Al997 |
Al2O3 Content | % | 95 | 99 | 99.7 |
Color |
| White | Ivory | Ivory |
Tensile Strength | Kpsi | 32 | 38 | 36 |
Flexural Strength | Kpsi | 52 | 55 | 54 |
Compressive Strength | Kpsi | 300 | 377 | 350 |
Density | g/cc | 3.70 | 3.90 | 3.92 |
Hardness | HV, GPa | 13.8 | 17.2 | 18 |
Thermal Conductivity | W/(m K) | 25 | 30 | 30 |
C.O.T.E. | In / In°C (x10^-6) | 7.7 | 7.8 | 7.8 |
Working Temperature | °C | 1500 | 1650 | 1750 |
Dielectric Constant |
| 9.5 | 9.7 | 9.8 |
Volume Resistivity (25°C) | Ohm-cm | >10^14 | >10^14 | >10^14 |
Alumina Rod Applications
- Thermocouple Protection: Alumina rods protect thermocouples in high-temperature environments. Their excellent thermal stability and resistance to thermal shock make them ideal for use in furnaces, kilns, and other high-heat applications.
- Electrical Insulation: Alumina rods are used in electronic components and devices, including insulators for high-voltage applications and substrates for electronic circuits due to their excellent electrical insulation properties.
- Chemical Processing Equipment: In the chemical industry, alumina rods are used as components in equipment that must resist corrosion and wear from aggressive chemicals and high temperatures.
- Wear-Resistant Components: The high hardness and wear resistance of alumina rods make them suitable for use in various wear-resistant applications, including bearings, seals, and cutting tools.
- Medical and Dental Instruments: Alumina rods are employed in medical and dental instruments due to their biocompatibility, high strength, and resistance to wear and sterilization processes.
- Laser and Optics: Alumina rods are used in laser and optical applications due to their ability to transmit certain wavelengths of light and their high thermal conductivity, which helps in dissipating heat generated by laser beams.
- High-Temperature Furnaces: Employed in high-temperature furnaces as support rods, spacers, and fixtures due to their ability to maintain structural integrity and resist deformation at elevated temperatures.
- Aerospace and Defense: Used in aerospace and defense applications for their high strength-to-weight ratio, thermal stability, and resistance to harsh environments, contributing to the durability and performance of aerospace components.
- Analytical Instruments: Alumina rods are used in analytical instruments and laboratory equipment, where their chemical inertness and high-temperature resistance are essential for accurate and reliable measurements.
Payment & Order Questions
Most Popular Questions
Consider factors such as:
Required purity level
Operating temperature
Mechanical load and stress
Chemical exposure
Dimensional tolerances
Our team can assist you in selecting the best alumina rod for your needs.
No, alumina rods are excellent electrical insulators, even at high temperatures. This makes them ideal for use in electrical and electronic applications.
Our minimum order quantity (MOQ) varies depending on the product type. Please contact us for specific requirements.
Yes, we offer custom services, including OEM and ODM, to meet the specific needs of your applications.
We accept various payment methods. such as T/T. Letter of Credit. Please contact us to confirm the specific payment options available.
Yes, many of our factories hold quality certifications, ensuring that our products meet international standards. Specific certification information can be provided based on the factory
Yes Sure, we can provide Industrial Ceramic Samples According to Your Requirements.
Our lead time for orders typically ranges from 4 to 8 weeks, depending on the product and order size. For specific timelines, please contact us directly.
