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| Categories | Alumina Ceramic |
|---|---|
| Place of Origin: | Made In China,Zhejiang,Jinhua |
| Brand Name: | Dayoo |
| MOQ: | Negotiate |
| Price: | Negotiate |
| Delivery Time: | Negotiable |
| Payment Terms: | Negotiable |
| Dielectric Loss: | 0.0002 |
| Temperature Resistance: | Up to 1600°C |
| Transparency: | Opaque |
| Density: | 3.9 g/cm3 |
| Application: | Industrial Ceramic |
| Max Operating Temperature: | 1500°C |
| Properties: | electric insulation |
| Biocompatibility: | Yes |
| Dimensional Tolerance: | ±0.001 mm |
| Shape: | Customizable |
| Elastic Modulus: | 380 GPa |
| Machinability: | Difficult |
| Electrical Resistivity: | 10^14 Ohm-cm |
| Size: | Customized |
| Packaging Details: | Carton |
| Company Info. |
| Dayoo Advanced Ceramic Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Alumina Ceramic Connectors And Brackets: High-Performance Industrial Critical Components
Introduction
Alumina ceramic connectors and brackets are advanced ceramic
components made primarily from high-purity alumina (Al₂O₃), formed
through precision molding and high-temperature sintering. They are
known for their exceptional hardness, excellent insulation
properties, outstanding high-temperature resistance, and corrosion
resistance, making them indispensable key parts in modern high-end
manufacturing industries. These components provide reliable support
for the stable operation of equipment in extreme environments.
Applications
Alumina ceramic connectors and brackets are widely used in various
high-tech and industrial fields:
Semiconductor Industry: Used as insulating pillars, guides, and fixtures in wafer processing, diffusion, and CVD equipment.
Electronics and Electrical Engineering: Serve as insulating substrates for electronic components, insulating shells for vacuum circuit breakers, and ceramic parts for high-voltage connectors.
Laser and Optics: Used as insulating brackets for high-power lasers and mounting seats for optical lens barrels. Their low thermal expansion coefficient ensures optical path stability.
Medical Devices: Applied in medical equipment for insulation and corrosion-resistant components, such as MRI device parts.
Industrial Automation: Used as load-bearing brackets in high-temperature furnaces, conveyor guide rails, and sensor protection sleeves.
Advantages
High Electrical Insulation: High resistivity and excellent high-temperature insulation performance ensure equipment safety.
Exceptional High-Temperature Resistance: Can operate continuously in environments above 1600°C without deformation or melting.
High Hardness and Wear Resistance: Mohs hardness of up to 9, second only to diamond, ensuring long service life.
Excellent Chemical Stability: Resistant to acids, alkalis, and various organic solvents, suitable for harsh chemical environments.
Low Thermal Expansion Coefficient: Excellent dimensional stability, resistant to cracking under rapid temperature changes.
Specification Parameters Table
| Parameter Item | Unit/Condition | Typical Value |
|---|---|---|
| Main Composition | Al₂O₃ Content | 92%, 95%, 99% |
| Bulk Density | g/cm³ | 3.6 - 3.9 |
| Rockwell Hardness | HRA | > 80 |
| Flexural Strength | MPa | 300 - 400 |
| Dielectric Strength | kV/mm | 15 - 20 |
| Thermal Conductivity | W/m·K | 20 - 30 |
| Maximum Operating Temperature | °C | 1600 - 1750 |
| Surface Roughness | Ra | Can be machined below 0.4μm as required |
Note: The above parameters are common ranges and can be adjusted according to customer requirements.
Process Flow
Raw material preparation → Ball milling and mixing → Spray
granulation → Dry pressing/Isostatic pressing → High-temperature
sintering → CNC precision machining → Laser marking → Ultrasonic
cleaning → Full inspection and packaging.
Usage Instructions
Installation: Use tools with appropriate torque during installation to avoid localized stress causing brittle fracture. Flexible gaskets are recommended at metal-ceramic contact points.
Cleaning: Clean using an ultrasonic cleaner with alcohol or isopropyl alcohol. Avoid strong corrosive reagents.
Operation: Avoid impact with sharp objects or dropping from heights. Although hard, they are brittle. For thermal cycling applications, ensure compatibility of thermal expansion coefficients with connected materials.
After-Sales Service
We provide comprehensive after-sales support:
12-month product warranty.
Professional technical consultation and selection guidance.
Free replacement for non-human damage products.
Quick response to customer feedback, ensuring issues are addressed within 24 hours.
FAQ





Q: Can alumina ceramic parts be machined into complex shapes?
A: Yes. Advanced CNC grinding and laser processing technologies
enable the production of high-precision complex-shaped parts.
Q: What is the difference between alumina ceramics and zirconia
ceramics?
A: Alumina ceramics offer higher hardness, better wear resistance,
and lower cost. Zirconia ceramics have better toughness and
strength but are more expensive.
Q: How to ensure strength during installation?
A: Use uniformly distributed pre-tension during installation and
avoid sharp corners in design. Use rounded transitions to reduce
stress concentration.
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