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PP Copolymer vs. PPA

Both PP copolymer and PPA are thermoplastics. There are 12 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 PP copolymer and the bottom bar is PPA.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.9 to 1.1
2.1 to 2.2
Elongation at Break, % 12
30
Flexural Modulus, GPa 1.3
2.3 to 2.4
Flexural Strength, MPa 31
95 to 110
Tensile Strength: Ultimate (UTS), MPa 23 to 33
57 to 69

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 50 to 100
120
Melting Onset (Solidus), °C 150
310

Otherwise Unclassified Properties

Density, g/cm3 0.9
1.1

Common Calculations

Stiffness to Weight: Axial, points 0.56 to 0.68
1.0 to 1.1
Stiffness to Weight: Bending, points 36 to 38
38
Strength to Weight: Axial, points 7.1 to 10
14 to 17
Strength to Weight: Bending, points 20 to 25
29 to 33