High Purity 99.9% Aluminum Oxide Ceramic | 260MPa Tensile Strength
Product Overview
99.9% Al₂O₃ ceramic with 260MPa tensile strength. Excellent wear & corrosion resistance for seals, bearings & industrial applications. Custom machining available.
As a premier advanced technical ceramic, our 99.9% high-purity Aluminum Oxide (Al₂O₃) delivers exceptional mechanical strength and durability for demanding industrial applications. With a tensile strength of 260MPa and superior hardness, this material provides outstanding performance in abrasive, corrosive, and high-temperature environments.
Key Material Advantages
- Exceptional Mechanical Strength: 260MPa tensile strength ensures reliability under heavy mechanical loads
- Superior Wear Resistance: Excellent hardness and low friction coefficient extend component service life
- High-Temperature Capability: Maintains structural integrity and properties in elevated temperature applications
- Excellent Corrosion Resistance: Withstands aggressive chemicals and acidic/alkaline environments
- Superior Electrical Insulation: Ideal for applications requiring reliable electrical insulation
Comprehensive Material Properties
Mechanical & Physical Characteristics
- Tensile Strength: 260MPa
- Density: ≥3.6 g/cm³
- High Hardness: Excellent abrasion resistance
- Low Erosion: Minimal material loss in abrasive environments
Thermal & Electrical Properties
- High Temperature Stability: Suitable for demanding thermal applications
- Thermal Shock Resistance: Withstands rapid temperature changes
- Excellent Electrical Insulation: High dielectric strength
- Thermal Conductivity: Efficient heat dissipation
Technical Specifications
Mechanical Properties
| Unit |
Value |
| Density (g/cm³) |
3.9 |
| Compressive Strength (MPa) |
2500 |
| Tensile Strength (MPa) |
260 |
| Flexural Strength @ 20°C (MPa) |
350 |
| Flexural Strength @ 800°C (MPa) |
250 |
| Fracture Toughness KIc (MPa m^1/2) |
4.5 |
| Young's Modulus E (GPa) |
350 |
| Poisson Ratio |
0.22 |
| Hardness Knoop (1000g) (GPa) |
14 |
Thermal Properties
| Unit |
Value |
| Maximum Temperature (°C) |
1700 |
| Thermal Conductivity @ 20°C (W/mK) |
28 |
| Thermal Expansion a at 20-100°C (10-6/K) |
8.4 |
| Specific Heat 100°C |
880 |
| Thermal Shock Parameter R1 (K) |
200 |
Electrical Properties
| Unit |
Value |
| Dielectric Constant (1 MHz) |
9.7 |
| Dielectric Strength (6.35mm) (ac-kV/mm) |
8.7 |
| Dielectric Loss (tan delta 25° C) (1 MHz) |
0.0001 |
| Volume Resistivity @ 25°C (Ωcm) |
10^14 |
| Volume Resistivity @ 500°C (Ωcm) |
2x10^10 |
| Volume Resistivity @ 1000°C (Ωcm) |
2x10^6 |
Manufacturing Capabilities & Forms
We provide comprehensive manufacturing solutions including:
- Injection molding
- Die pressing
- Isostatic pressing
- Slip casting
- Extrusion
- Custom diamond-grinding machining
Available in various forms: plates, rods, tubes, and complex custom geometries
Primary Industrial Applications
- Mechanical Components: Bearings, mechanical seals, valve plates, ball valves
- Industrial Equipment: Nozzles, pipeline linings, pump components
- High-Temperature Applications: Thermocouple protection tubes, furnace components
- Specialized Components: Precision sealing surfaces, pistons, wear-resistant liners
Available Grades & Compositions
- 95% - 99.9% purity Alumina formulations
- High-purity recrystallized Alumina
- Zirconia toughened Alumina (ZTA)
- Custom blends for specific application requirements
Why Choose Our Aluminum Oxide Ceramics?
Our expertise in advanced ceramic manufacturing ensures:
- Consistent material properties and quality
- Precision machining to tight tolerances
- Technical support for material selection and design optimization
- Custom solutions for unique application challenges
Request Expert Consultation
Our technical team provides comprehensive support for your ceramic component requirements. Contact us for material selection guidance, design consultation, and machining services.
Submit your specifications today for a detailed quotation and technical recommendations.
