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PPA vs. ABS

Both PPA and ABS are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is PPA and the bottom bar is ABS.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.1 to 2.2
2.0 to 2.6
Elongation at Break, % 30
3.5 to 50
Flexural Modulus, GPa 2.3 to 2.4
2.1 to 7.6
Flexural Strength, MPa 95 to 110
72 to 97
Tensile Strength: Ultimate (UTS), MPa 57 to 69
37 to 110

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120
76 to 110

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.0 to 1.4

Common Calculations

Stiffness to Weight: Axial, points 1.0 to 1.1
0.79 to 1.4
Stiffness to Weight: Bending, points 38
30 to 44
Strength to Weight: Axial, points 14 to 17
10 to 22
Strength to Weight: Bending, points 29 to 33
24 to 37