Polyimide (Thermoplastic PI Vespel SP-1) vs PP Homopolymer
Property comparison of Polyimide (Thermoplastic PI Vespel SP-1) and PP Homopolymer, both polymer.
| Property | Polyimide (Thermoplastic PI Vespel SP-1) | PP Homopolymer | Difference |
|---|---|---|---|
| Tensile strength | 86 MPa | 38 MPa | -56% |
| Elongation | 8 % | 100 % | +1150% |
| Elastic modulus | 3,200 MPa | 1,700 MPa | -47% |
| Poisson ratio | 0.41 | 0.4 | -2% |
| Density | 1,430 kg/m³ | 905 kg/m³ | -37% |
| Thermal conductivity | 0.52 W/m·K | 0.17 W/m·K | -67% |
| Specific heat | 1,130 J/kg·K | 1,800 J/kg·K | +59% |
| Coefficient of thermal expansion | 0.000054 1/K | 0.0001 1/K | +85% |
Difference is PP Homopolymer 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
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