MakeItFrom.com
Menu (ESC)

PPS vs. PAI

Both PPS and PAI are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 95 to 160
260 to 300
Elongation at Break, % 2.5 to 11
3.0 to 12
Flexural Modulus, GPa 13 to 17
4.0 to 6.8
Flexural Strength, MPa 120 to 190
160 to 320
Impact Strength: Notched Izod, J/m 21 to 80
45 to 140
Tensile Strength: Ultimate (UTS), MPa 75 to 190
100 to 180

Thermal Properties

Glass Transition Temperature, °C 190 to 290
280
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
280
Specific Heat Capacity, J/kg-K 910 to 1000
910 to 1000
Thermal Expansion, µm/m-K 20 to 45
15 to 34

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.4 to 1.6
Water Absorption At Saturation, % 0.060 to 0.1
1.5 to 1.7

Common Calculations

Strength to Weight: Axial, points 16 to 37
19 to 34
Strength to Weight: Bending, points 30 to 52
33 to 49