Aluminosilicate Glass vs. Alumina
Aluminosilicate glass belongs to the glass and glass-ceramics classification, while alumina 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 aluminosilicate glass and the bottom bar is alumina.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.4 | |
| 3.4 to 4.1 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 6.3 | |
| 7.8 to 11 |
| Elastic (Young's, Tensile) Modulus, GPa | 87 | |
| 220 to 370 |
| Electrical Dissipation At 1 MHz | 0.0037 | |
| 0.00049 to 0.0013 |
| Fracture Toughness, MPa-m1/2 | 0.9 | |
| 3.7 to 7.2 |
| Stiffness to Weight: Axial, points | 20 | |
| 35 to 53 |
| Stiffness to Weight: Bending, points | 63 | |
| 57 to 62 |