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PPS vs. CA

Both PPS and CA are thermoplastics. There are 11 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 CA.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 2.5 to 11
25 to 30
Flexural Modulus, GPa 13 to 17
1.7 to 2.1
Flexural Strength, MPa 120 to 190
40 to 55
Tensile Strength: Ultimate (UTS), MPa 75 to 190
30 to 37

Thermal Properties

Glass Transition Temperature, °C 190 to 290
230
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
65 to 75
Specific Heat Capacity, J/kg-K 910 to 1000
1500
Thermal Expansion, µm/m-K 20 to 45
14

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.3

Common Calculations

Strength to Weight: Axial, points 16 to 37
6.4 to 7.9
Strength to Weight: Bending, points 30 to 52
17 to 19