Lead-alkali-silica Glass vs. Hexagonal Boron Nitride
Lead-alkali-silica glass belongs to the glass and glass-ceramics classification, while hexagonal boron nitride belongs to the non-oxide engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is lead-alkali-silica glass and the bottom bar is hexagonal boron nitride.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.1 | |
| 1.9 to 2.1 |
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 14 to 60 |
| Electrical Dissipation At 1 Hz | 0.0024 | |
| 0.0017 |
| Electrical Dissipation At 1 MHz | 0.0018 | |
| 0.00075 to 0.0018 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 12 | |
| 13 to 15 |
| Flexural Strength, MPa | 34 | |
| 18 to 140 |
| Stiffness to Weight: Axial, points | 12 | |
| 4.1 to 18 |
| Stiffness to Weight: Bending, points | 43 | |
| 42 to 69 |
| Thermal Expansion, µm/m-K | 9.0 | |
| 0.54 to 18 |