Polyimide (Thermoplastic PI Vespel SP-1) vs PLA (Polylactic Acid Ingeo 3052D injection grade)
Property comparison of Polyimide (Thermoplastic PI Vespel SP-1) and PLA (Polylactic Acid Ingeo 3052D injection grade), both polymer.
| Property | Polyimide (Thermoplastic PI Vespel SP-1) | PLA (Polylactic Acid Ingeo 3052D injection grade) | Difference |
|---|---|---|---|
| Tensile strength | 86 MPa | 60 MPa | -30% |
| Elongation | 8 % | 3.5 % | -56% |
| Poisson ratio | 0.41 | 0.36 | -12% |
| Density | 1,430 kg/m³ | 1,240 kg/m³ | -13% |
| Thermal conductivity | 0.52 W/m·K | 0.13 W/m·K | -75% |
| Specific heat | 1,130 J/kg·K | 1,800 J/kg·K | +59% |
| Coefficient of thermal expansion | 0.000054 1/K | 0.00008 1/K | +48% |
Difference is PLA (Polylactic Acid Ingeo 3052D injection grade) relative to Polyimide (Thermoplastic PI Vespel SP-1). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators