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PPS vs. PAS

Both PPS and PAS are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3 to 1.7
1.4
Elongation at Break, % 2.5 to 11
40
Flexural Modulus, GPa 13 to 17
2.8
Flexural Strength, MPa 120 to 190
110
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
200
Impact Strength: Notched Izod, J/m 21 to 80
85
Strength to Weight: Axial, points 16 to 37
17
Strength to Weight: Bending, points 30 to 52
31
Tensile Strength: Ultimate (UTS), MPa 75 to 190
83
Thermal Expansion, µm/m-K 20 to 45
49