Mullite ceramics have high intensity as alumina ceramic at room temperature. Also, it is strong in high-temperature conditions and small CTE.
Pros
-High thermal shock resistance
-High wear and abrasion resistance
-affordable cost
Usage
・Heat resistant parts
・Setter for firing process
・Insulator
・Material for high-temperature service
・Plug
・Sensor-based parts
Characteristic table
| Characteristic | Value |
| No. | No.N-800 |
| Main components | 3Al2O3･2SiO2 |
| Bulk specific gravity | 2.7 |
| Water absorption | ＜ 0.01％ |
| Bending strength | 180 MPa |
| Dielectric constant | 6.5（1MHｚ） |
| Dielectric less tangent | 3.7×10-4（1MHz） |
| Thermal expansion coefficient | 5.3×10-6/℃ |
| Thermal Conductivity | 4.2W/m・K |
| Thermal shock resistance | 200℃ |