Soda-lime Glass vs. Hexagonal Boron Nitride
Soda-lime glass belongs to the glass and glass-ceramics classification, while hexagonal boron nitride belongs to the non-oxide engineering ceramics. There are 12 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is soda-lime glass and the bottom bar is hexagonal boron nitride.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 to 71 | |
| 14 to 60 |
| Poisson's Ratio | 0.23 | |
| 0.11 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 300 | |
| 1030 to 2350 |
| Specific Heat Capacity, J/kg-K | 720 to 800 | |
| 840 to 1610 |
| Thermal Conductivity, W/m-K | 1.0 to 1.1 | |
| 29 to 96 |
| Thermal Expansion, µm/m-K | 8.8 to 9.0 | |
| 0.54 to 18 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 7.3 to 7.4 | |
| 4.0 to 4.4 |
| Dielectric Strength (Breakdown Potential), kV/mm | 13 | |
| 61 to 200 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.4 | |
| 1.9 to 2.1 |
Common Calculations
| Stiffness to Weight: Axial, points | 16 | |
| 4.1 to 18 |
| Stiffness to Weight: Bending, points | 56 | |
| 42 to 69 |
| Thermal Diffusivity, mm2/s | 0.51 to 0.6 | |
| 9.9 to 34 |