PPSU vs. PET
Both PPSU and PET are thermoplastics. There are 17 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is PPSU and the bottom bar is PET.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 3.6 | |
3.5 to 11 |
Elongation at Break, % | 26 | |
2.5 to 70 |
Flexural Modulus, GPa | 4.7 | |
8.3 to 14 |
Impact Strength: Notched Izod, J/m | 80 | |
43 to 85 |
Tensile Strength: Ultimate (UTS), MPa | 95 | |
60 to 140 |
Thermal Properties
Glass Transition Temperature, °C | 220 | |
70 |
Maximum Temperature: Autoignition, °C | 580 | |
410 |
Maximum Temperature: Decomposition, °C | 560 | |
390 |
Maximum Temperature: Mechanical, °C | 160 | |
80 |
Specific Heat Capacity, J/kg-K | 970 | |
1000 to 1150 |
Electrical Properties
Dielectric Constant (Relative Permittivity) At 1 Hz | 3.8 | |
3.7 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.4 | |
1.4 to 1.6 |
Limiting Oxygen Index (LOI), % | 38 | |
21 |
Common Calculations
Stiffness to Weight: Axial, points | 1.4 | |
1.2 to 4.4 |
Stiffness to Weight: Bending, points | 36 | |
32 to 54 |
Strength to Weight: Axial, points | 19 | |
12 to 27 |
Strength to Weight: Bending, points | 33 | |
25 to 41 |