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High purity Al₂O₃ alumina ceramic material
Excellent electrical insulation and safety protection
CNC machined for accurate dimensions and consistency
High temperature, wear and corrosion resistant
Custom sizes and structures available
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089
HaoRui
custom01001
Our Custom Alumina Ceramic Structural Components are engineered for extreme environments where metal and plastic fail. Utilizing high-purity Al2O3 (95%, 99%, 99.7%), these parts are manufactured through advanced ISO-certified processes including Dry Pressing, Isostatic Pressing, and High-Precision CNC Machining. Whether you need complex geometries, fine grooves, or micro-holes, we provide a one-stop solution from drawing to finished product.
| Property | 95% Alumina | 99% Alumina | 99.7% Alumina |
| AI2O3 Content(%) | ≥ 95 | ≥ 99 | ≥ 99.7 |
| Density (g/cm³) | 3.65 | 3.9 | 3.96 |
| Hardness (Hv) | 1500 | 1700 | 1800 |
| Max Service Temp (°C) | 1500 | 1650 | 1750 |
| Thermal Conductivity (W/m.k) | 20 | 30 | 35 |
| Dielectric Strength (kV/mm) | 18 | 20 | 22 |
Exceptional Precision: Our state-of-the-art CNC grinding centers can achieve tolerances as tight as ±0.01mm and surface roughness of Ra 0.2μm.
Extreme Wear Resistance: With a Mohs hardness of 9 (second only to diamond), these parts significantly outlast hardened steel in abrasive environments.
Superior Thermal Stability: Maintains mechanical integrity and dimensional stability at temperatures exceeding 1600°C.
Excellent Electrical Insulation: High dielectric strength makes it the premier choice for high-voltage and high-frequency applications.
Chemical Inertness: Highly resistant to strong acids, alkalis, and oxidative environments, ensuring zero contamination in medical and semiconductor processes.
We specialize in complex geometries as per your technical drawings.
Processing Methods: CNC Machining, Fine Grinding, Lapping, Polishing, Laser Drilling, and Metalizing.
Accepted File Formats: PDF, DWG, DXF, STEP, IGS, SolidWorks.
Surface Finish: As-fired, Ground, or Mirror Polished.
Semiconductor: Wafer handling parts, insulators, and gas distribution plates.
Medical & Lab: Surgical instruments, analysis equipment components, and pistons.
Industrial Machinery: Wear-resistant liners, nozzles, and mechanical seals.
Aerospace: High-temperature sensors, insulators, and structural brackets.
Electronics: Substrates, resistors, and high-frequency power tube components.
QC System: 100% inspection using CMM (Coordinate Measuring Machine), digital projectors, and hardness testers before shipment.
Packaging: Vacuum-sealed plastic bags + Custom pearl cotton (EPE) padding + High-strength export cartons/wooden crates to ensure zero breakage during transit.
Direct Factory: Competitive wholesale pricing with no middleman.
Fast Prototyping: 7-10 days for custom samples.
Reliable Capacity: Monthly output of over 50,000 units.
Expert Support: Our engineering team provides DFM (Design for Manufacturing) feedback to optimize your costs.
