Alumina 94% - 97%
Composition
94% - 97% Al2O3
alumina 94-97% overview
94%-97% aluminas are used for rigorous applications that require excellent strength, hardness, corrosion resistance, and electrical resistivity. These properties enable reliable service in high-precision applications.
Example Applications
- Automotive components
CoorsTek Formulations
Contact a CoorsTek expert to choose an Alumina 94% - 97% solution for your application
| Property | Units | Value |
|---|---|---|
Flexural Strength, MOR (20 °C) |
MPa |
280 - 370 |
Fracture Toughness, KIc |
MPa m1/2 |
3.0 - 5.0 |
Thermal Conductivity (20 °C) |
W/m K |
15 - 27 |
Coefficient of Thermal Expansion |
1 x 10-6/°C |
7.5 - 9.1 |
Maximum Use Temperature |
°C |
1200 - 1800 |
Dielectric Strength (6.35mm) |
ac-kV/mm |
8.3 - 8.7 |
Dielectric Loss (tan δ) |
1MHz, 25 °C |
1 x 10-4 to 5 x 10-4 |
Volume Resistivity (25°C) |
Ω-cm |
> 1014 |
The information provided on this chart is for general material property reference only. The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.
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