Alumina Ceramic Insulator
Alumina Ceramic Insulators, crafted from 99% pure alumina, feature multi-hole designs for electrical and industrial applications. With tight tolerances (±0.01mm) and high insulation, they comply with RoHS, REACH, and other international standards.
- High-Purity Alumina: Ensures excellent insulation and heat resistance.
- Multi-Hole Design: Supports flexible wire or fluid management.
- Precision Engineered: Offers tight tolerances (±0.01mm) for accuracy.
- Versatile Applications: Ideal for electrical and industrial sectors.
- RoHS and REACH Compliant: Meets global environmental standards.
Alumina Ceramic Insulator
Alumina ceramic insulator provides excellent electrical insulation and mechanical durability in demanding environments. Made from high-purity alumina, it resists high temperatures, chemical exposure, and thermal shock. This insulator is widely used in electronics, power transmission, and heating systems, where reliable electrical separation is critical. Its low dielectric loss and high breakdown voltage ensure safe and stable performance in both AC and DC applications. With high dimensional accuracy and corrosion resistance, the alumina ceramic insulator supports long-term use in harsh industrial settings, making it a preferred solution for engineers seeking robust and efficient insulation materials.
Technical Specifications
| Parameter | Typical Range |
| Length Range | ≤300mm |
| Outer Diameter | ≤150mm |
| Surface Roughness | Ra0.02-Ra0.2 |
| Minimum Wall Thickness | 0.1mm |
| Roundness | 0.002mm |
| Concentricity | 0.002mm |
| Straightness | 0.004mm |
| Perpendicularity | 0.005mm |
Please refer to our Processing Capability Table for the full range of processing capability.
Advantages of Alumina Ceramic Insulator
- High Dielectric Strength: Because alumina is an excellent electrical insulator, it effectively prevents electrical conduction at high voltages.
- Thermal Stability: As a result, it performs reliably in environments with extreme temperatures or thermal cycling.
- Mechanical Strength and Hardness: Therefore, it resists cracking, deformation, and wear in both static and dynamic applications.
- Corrosion and Chemical Resistance: In addition, it withstands exposure to aggressive chemicals and humid conditions without degrading.
- Precision Machining Capability: Consequently, it can be produced with tight tolerances for complex insulating geometries.
- Non-Magnetic and Inert: This makes it suitable for use in sensitive electronic, RF, and medical environments.
Applications of Alumina Ceramic Insulator
- High-Voltage Electrical Equipment: For example, it is used in transformers, capacitors, and circuit breakers to ensure safety and performance.
- Semiconductor and Electronics Industry: Because of its insulating and cleanroom-compatible nature, it’s used in chip fabrication and wafer processing systems.
- Vacuum and RF Systems: In addition, it provides stable insulation in systems where dielectric losses and breakdown must be minimized.
- Medical and Diagnostic Equipment: It serves in high-frequency or sterilizable components where electrical isolation is required.
- Industrial Heaters and Furnaces: The insulator maintains electrical safety under high-temperature conditions in heating elements.
- Automotive and Aerospace Electronics: Lastly, it is used in sensors, ignition systems, and other electronics where thermal and electrical insulation is critical.
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