Fused Silica vs. Wollastonite
Fused silica belongs to the glass and glass-ceramics classification, while wollastonite belongs to the oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is fused silica and the bottom bar is wollastonite.
Metric UnitsUS Customary Units
Material Properties
| Compressive (Crushing) Strength, MPa | 1100 | |
| 260 |
| Density, g/cm3 | 2.2 | |
| 2.8 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 3.8 | |
| 3.5 |
| Dielectric Strength (Breakdown Potential), kV/mm | 30 | |
| 6.0 |
| Flexural Strength, MPa | 67 | |
| 100 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 1200 |
| Thermal Conductivity, W/m-K | 1.4 | |
| 0.8 |