Borosilicate Glass vs. ESD Silicon Carbide
Borosilicate glass belongs to the glass and glass-ceramics classification, while ESD silicon carbide belongs to the non-oxide engineering ceramics. There are 17 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 borosilicate glass and the bottom bar is ESD silicon carbide.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 2000 | |
| 3900 |
| Elastic (Young's, Tensile) Modulus, GPa | 67 to 80 | |
| 420 |
| Flexural Strength, MPa | 34 to 69 | |
| 490 |
| Fracture Toughness, MPa-m1/2 | 0.8 | |
| 3.9 |
| Poisson's Ratio | 0.21 | |
| 0.14 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 360 | |
| 500 |
| Specific Heat Capacity, J/kg-K | 830 | |
| 750 |
| Thermal Conductivity, W/m-K | 1.2 | |
| 140 |
| Thermal Expansion, µm/m-K | 3.3 to 5.1 | |
| 4.5 |
Electrical Properties
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 9.0 to 12 | |
| 3.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.2 to 2.6 | |
| 3.2 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 to 17 | |
| 73 |
| Stiffness to Weight: Bending, points | 55 to 61 | |
| 79 |
| Strength to Weight: Axial, points | 30 to 35 | |
| 18 to 34 |
| Strength to Weight: Bending, points | 36 to 43 | |
| 24 to 38 |
| Thermal Diffusivity, mm2/s | 0.54 to 0.63 | |
| 60 |
| Thermal Shock Resistance, points | 50 to 91 | |
| 6.9 to 18 |