Silicone Plastic vs. PLA
Silicone plastic belongs to the thermoset plastics classification, while PLA belongs to the thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is silicone plastic and the bottom bar is PLA.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 9.0 | |
| 3.5 |
| Tensile Strength: Ultimate (UTS), MPa | 38 | |
| 50 |
Thermal Properties
| Glass Transition Temperature, °C | 200 | |
| 60 |
| Specific Heat Capacity, J/kg-K | 850 | |
| 1800 |
| Thermal Conductivity, W/m-K | 0.35 | |
| 0.13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.9 | |
| 1.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.6 | |
| 1.6 |
| Stiffness to Weight: Bending, points | 36 | |
| 40 |
| Strength to Weight: Axial, points | 5.5 | |
| 11 |
| Strength to Weight: Bending, points | 13 | |
| 24 |
| Thermal Diffusivity, mm2/s | 0.22 | |
| 0.058 |