PLA vs. ETFE
Both PLA and ETFE are thermoplastics. There are 15 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 PLA and the bottom bar is ETFE.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 | |
| 1.5 |
| Elongation at Break, % | 6.0 | |
| 230 |
| Flexural Modulus, GPa | 4.0 | |
| 1.2 |
| Tensile Strength: Ultimate (UTS), MPa | 50 | |
| 46 |
Thermal Properties
| Heat Deflection Temperature At 455 kPa (66 psi), °C | 65 | |
| 80 |
| Maximum Temperature: Mechanical, °C | 50 | |
| 160 |
| Melting Onset (Solidus), °C | 160 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 1800 | |
| 1000 |
| Thermal Conductivity, W/m-K | 0.13 | |
| 0.24 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 | |
| 1.8 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.6 | |
| 0.48 |
| Stiffness to Weight: Bending, points | 40 | |
| 22 |
| Strength to Weight: Axial, points | 11 | |
| 7.3 |
| Strength to Weight: Bending, points | 24 | |
| 16 |
| Thermal Diffusivity, mm2/s | 0.058 | |
| 0.14 |