99% Al2O3 Dense Aluminum Oxide Ceramic | 3.6 g/cm³ | Wear & Corrosion Resistant
High-performance 99% Al2O3 dense alumina ceramic with 3.6 g/cm³ density. Excellent wear resistance, corrosion resistance & electrical insulation. Ideal for seals, bearings, valves & industrial linings. Custom parts available.
99% Al2O3 Dense Aluminum Oxide Ceramic (3.6 g/cm³ Density)
As a premier advanced ceramic material, our 99% Alumina (Al2O3) ceramic is engineered for demanding applications requiring exceptional wear resistance, high-temperature stability, and excellent electrical insulation. With a density of ≥3.6 g/cm³ and near-zero porosity, it delivers superior mechanical strength and durability in harsh environments.
Key Material Properties & Advantages
- Exceptional Hardness & Wear Resistance: Significantly outperforms metals and most other ceramics in abrasive environments, extending component service life.
- High Corrosion Resistance: Inert to most chemicals and solvents, ideal for pumps, seals, and components in the chemical processing industry.
- Excellent Electrical Insulation: Maintains high electrical resistivity even at elevated temperatures, suitable for substrates and insulating components.
- Good Thermal Stability: Can operate continuously at high temperatures while maintaining its structural integrity.
- High Mechanical Strength: Offers high flexural and compressive strength for mechanically loaded components.
Technical Data & Comparative Properties
1. 99% Alumina (ALOX-AP Grade) Specifications
| Property |
Value (ALOX-AP) |
| Al₂O₃ Content |
94 - 96 % |
| Density |
3.6 - 3.7 g/cm³ |
| Flexural Strength |
300 - 330 MPa |
| Hardness |
12 - 13 GPa |
| Thermal Conductivity (20-100 °C) |
20 - 25 W/m*K |
| Max. Operating Temperature (Air) |
1500 °C |
2. Comparative Material Properties (99% Al2O3 vs. Other Advanced Ceramics)
| Property |
99% Al2O3 |
S-SiC |
ZrO2 |
Si3N4 |
| Density (g/cm³) |
3.9 |
3.1 |
6.0 |
3.2 |
| Hardness (HV) |
1700 |
2200 |
1300 |
1400 |
| Flexural Strength (MPa) |
~350 |
~400 |
~900 |
~700 |
| Thermal Conductivity (W/m *K) |
31 |
100 |
3 |
25 |
| Max. Use Temp. (°C) |
1500 |
1600 |
1300 |
1400 |
Note: The ALOX-HP grade (99.7% Al2O3) offers even higher density (3.8-3.9 g/cm³) and flexural strength (350-400 MPa) for the most demanding applications.
Primary Industrial Applications
Our dense alumina ceramics are critical components across numerous industries:
- Mechanical Components: Bearings, seal rings, valve plates, ball valves, and plungers for pumps and compressors.
- Wear & Corrosion Protection: Pipeline linings, cyclone liners, nozzles, and tiles for cement plants and mining.
- Industrial Furnaces & High-Temperature: Thermocouple protection tubes, burner nozzles, furnace furniture, and crucibles.
- Electrical & Electronics: Substrates, insulating plates, and components for the electronics industry.
- General Engineering: Grinding media, thread guides, dies, and custom-designed jigs and fixtures.
Why Choose Our Dense Alumina Ceramics?
Alumina ceramic's unique combination of properties--high hardness, excellent wear and corrosion resistance, electrical insulation, and cost-effectiveness--makes it an irreplaceable material for solving complex engineering challenges. We offer tailored solutions with custom shapes, sizes, and machining to meet your precise specifications.
Request a Custom Quote
Interested in using dense alumina ceramic for your application? Contact our engineering team today with your requirements for a consultation and a competitive quotation.
Your message must be between 20-3,000 characters!
English
