MakeItFrom.com
Menu (ESC)

PPS vs. PSU

Both PPS and PSU are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is PPS and the bottom bar is PSU.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 95 to 160
95 to 180
Elongation at Break, % 2.5 to 11
2.0 to 52
Flexural Modulus, GPa 13 to 17
2.7 to 14
Flexural Strength, MPa 120 to 190
110 to 200
Impact Strength: Notched Izod, J/m 21 to 80
59 to 100
Tensile Strength: Ultimate (UTS), MPa 75 to 190
70 to 140

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
180 to 200
Specific Heat Capacity, J/kg-K 910 to 1000
910 to 1000
Thermal Expansion, µm/m-K 20 to 45
25 to 57

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.2 to 1.6
Water Absorption At Saturation, % 0.060 to 0.1
0.4 to 0.6

Common Calculations

Strength to Weight: Axial, points 16 to 37
16 to 25
Strength to Weight: Bending, points 30 to 52
30 to 40