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PC vs. PP Homopolymer

Both PC and PP homopolymer are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is PC and the bottom bar is PP homopolymer.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 3.5 to 110
3.0 to 80
Flexural Modulus, GPa 2.3 to 10
1.5 to 7.0
Flexural Strength, MPa 92 to 160
41 to 100
Impact Strength: Notched Izod, J/m 140 to 440
42 to 95
Tensile Strength: Ultimate (UTS), MPa 66 to 160
36 to 93

Thermal Properties

Glass Transition Temperature, °C 150
170
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 150
73 to 160
Specific Heat Capacity, J/kg-K 1000 to 1200
1230 to 1900
Thermal Expansion, µm/m-K 10 to 69
30 to 90

Otherwise Unclassified Properties

Density, g/cm3 1.2 to 1.4
0.91 to 1.2
Water Absorption At Saturation, % 0.16 to 0.19
0.010 to 0.090

Common Calculations

Strength to Weight: Axial, points 15 to 30
11 to 21
Strength to Weight: Bending, points 30 to 45
27 to 37