MakeItFrom.com
Menu (ESC)

PPS vs. PES

Both PPS and PES are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 2.5 to 11
65
Flexural Modulus, GPa 13 to 17
2.6
Flexural Strength, MPa 120 to 190
130
Impact Strength: Notched Izod, J/m 21 to 80
91
Tensile Strength: Ultimate (UTS), MPa 75 to 190
87

Thermal Properties

Glass Transition Temperature, °C 190 to 290
220
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
200
Specific Heat Capacity, J/kg-K 910 to 1000
1100
Thermal Expansion, µm/m-K 20 to 45
53

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.4

Common Calculations

Strength to Weight: Axial, points 16 to 37
18
Strength to Weight: Bending, points 30 to 52
32