Thermoset PI vs. MDF
Thermoset PI belongs to the thermoset plastics classification, while MDF belongs to the wood-based materials. There are 11 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 thermoset PI and the bottom bar is MDF.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 120 to 210 | |
| 10 |
| Elongation at Break, % | 2.0 to 5.9 | |
| 0.5 |
| Tensile Strength: Ultimate (UTS), MPa | 37 to 81 | |
| 18 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 1130 | |
| 1700 |
| Thermal Conductivity, W/m-K | 0.29 to 1.7 | |
| 0.3 |
| Thermal Expansion, µm/m-K | 38 to 54 | |
| 12 |
Electrical Properties
| Dielectric Strength (Breakdown Potential), kV/mm | 20 | |
| 0.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 0.75 |
Common Calculations
| Strength to Weight: Axial, points | 6.5 to 16 | |
| 6.7 |
| Strength to Weight: Bending, points | 16 to 30 | |
| 20 |
| Thermal Diffusivity, mm2/s | 0.18 to 0.95 | |
| 0.24 |