Mullite
Composition
Al Silicate
mullite overview
Mullite has excellent thermal shock resistance and dielectric strength, making it ideal for electronic components for manufacturing purposes.
Example Applications
- Ceramic tubes
- Metal foundry filters
CoorsTek Formulations
Contact a CoorsTek expert to choose a mullite solution for your application.
| Property | Units | Value |
|---|---|---|
Flexural Strength, MOR (20 °C) |
MPa |
45 - 170 |
Fracture Toughness, KIc |
MPa m1/2 |
2.0 |
Thermal Conductivity (20 °C) |
W/m K |
4.0 |
Coefficient of Thermal Expansion |
1 x 10-6/°C |
4.0 - 5.0 |
Maximum Use Temperature |
°C |
1700 |
Dielectric Strength (6.35mm) |
ac-kV/mm |
9.8 - 10.0 |
Dielectric Loss (tan δ) |
1MHz, 25 °C |
0.002 |
Volume Resistivity (25°C) |
Ω-cm |
1010 to 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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