PI
Data Table for: Polymers: Engineering Polymers: PI
Mechanical Properties
| Quantity | Value | Unit |
| Young's modulus | 3100 - 3100 | MPa |
| Tensile strength | 85 - 90 | MPa |
| Elongation | 5 - 7 | % |
| Compressive strength | 165 - 165 | MPa |
| Fatigue | 20 - 20 | MPa |
| Bending strength | 100 - 130 | MPa |
| Impact strength | 2.5 - 5 | J/cm |
| Yield strength | 73 - 73 | MPa |
Physical Properties
| Quantity | Value | Unit |
| Thermal expansion | 40 - 50 | e-6/K |
| Thermal conductivity | 0.55 - 0.55 | W/m.K |
| Specific heat | 1130 - 1130 | J/kg.K |
| Service temperature | -240 - 250 | °C |
| Density | 1400 - 1430 | kg/m3 |
| Resistivity | 1e+21 - 1e+21 | Ohm.mm2/m |
| Breakdown potential | 22 - 22 | kV/mm |
| Dielectric loss factor | 0.0018 - 0.0034 | |
| Friction coefficient | 0.29 - 0.29 | |
| Refraction index | 1.78 - 1.78 | |
| Shrinkage | 1 - 1 | % |
| Water absorption | 0.24 - 0.3 | % |
General
| Remarks | Extreme heat-resistance | |
Sample: Engineering Polymers |
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Richard Vennix MSc
co-founder of Matbase and innovation consultant
Yes, you've found us!
08-12-2009 08:33
Last november was a memorable month for us at Matbase, we passed the milestone of 1000 visitors per day. So I guess we were not that far of when we thought it would be a good idea to make the material database we used as students during our stay at the Delft University of Technology accessable to other people. Apparently, people appreciate the easy way they can lookup the material properties and how we present the data.
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