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PP Homopolymer vs. ABS

Both PP homopolymer and ABS are thermoplastics. There are 11 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 homopolymer and the bottom bar is ABS.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 3.0 to 80
3.5 to 50
Flexural Modulus, GPa 1.5 to 7.0
2.1 to 7.6
Flexural Strength, MPa 41 to 100
72 to 97
Impact Strength: Notched Izod, J/m 42 to 95
70 to 370
Rockwell R Hardness 90 to 110
100 to 110
Tensile Strength: Ultimate (UTS), MPa 36 to 93
37 to 110

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 73 to 160
76 to 110
Thermal Expansion, µm/m-K 30 to 90
81 to 95

Otherwise Unclassified Properties

Density, g/cm3 0.91 to 1.2
1.0 to 1.4

Common Calculations

Strength to Weight: Axial, points 11 to 21
10 to 22
Strength to Weight: Bending, points 27 to 37
24 to 37