PPSU vs. Phenolic
PPSU belongs to the thermoplastics classification, while phenolic belongs to the thermoset plastics. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is PPSU and the bottom bar is phenolic.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 3.6 | |
3.8 |
Elongation at Break, % | 26 | |
2.0 |
Tensile Strength: Ultimate (UTS), MPa | 95 | |
48 |
Thermal Properties
Glass Transition Temperature, °C | 220 | |
170 |
Maximum Temperature: Autoignition, °C | 580 | |
430 |
Maximum Temperature: Decomposition, °C | 560 | |
260 |
Maximum Temperature: Mechanical, °C | 160 | |
150 |
Specific Heat Capacity, J/kg-K | 970 | |
1400 |
Thermal Conductivity, W/m-K | 0.24 | |
0.25 |
Thermal Expansion, µm/m-K | 45 | |
120 |
Electrical Properties
Dielectric Constant (Relative Permittivity) At 1 MHz | 3.4 | |
7.5 |
Dielectric Strength (Breakdown Potential), kV/mm | 16 | |
46 |
Electrical Resistivity Order of Magnitude, 10x Ω-m | 14 | |
11 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.4 | |
1.3 |
Limiting Oxygen Index (LOI), % | 38 | |
27 |
Common Calculations
Stiffness to Weight: Axial, points | 1.4 | |
1.6 |
Stiffness to Weight: Bending, points | 36 | |
40 |
Strength to Weight: Axial, points | 19 | |
10 |
Strength to Weight: Bending, points | 33 | |
23 |
Thermal Diffusivity, mm2/s | 0.17 | |
0.14 |
Thermal Shock Resistance, points | 42 | |
7.5 |