PES vs. Boron Carbide
PES and boron carbide belong to fundamentally different material chemistries. PES is a polymeric material, while boron carbide is ceramic. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 16 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 PES and the bottom bar is boron carbide.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.6 | |
| 240 to 460 |
| Flexural Strength, MPa | 130 | |
| 170 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 87 | |
| 350 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 200 | |
| 1000 to 2500 |
| Specific Heat Capacity, J/kg-K | 1100 | |
| 950 |
| Thermal Conductivity, W/m-K | 0.18 | |
| 31 to 90 |
| Thermal Expansion, µm/m-K | 53 | |
| 4.5 to 5.6 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 3.5 | |
| 6.4 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 15 | |
| 0 to 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 | |
| 2.1 to 2.7 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.1 | |
| 63 to 100 |
| Stiffness to Weight: Bending, points | 33 | |
| 91 to 100 |
| Strength to Weight: Axial, points | 18 | |
| 37 to 47 |
| Strength to Weight: Bending, points | 32 | |
| 42 to 53 |
| Thermal Diffusivity, mm2/s | 0.12 | |
| 16 to 38 |
| Thermal Shock Resistance, points | 45 | |
| 9.7 to 20 |