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PP Homopolymer vs. PPA

Both PP homopolymer and PPA are thermoplastics. There are 10 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 PP homopolymer and the bottom bar is PPA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.91 to 1.2
1.1
Elongation at Break, % 3.0 to 80
30
Flexural Modulus, GPa 1.5 to 7.0
2.3 to 2.4
Flexural Strength, MPa 41 to 100
95 to 110
Glass Transition Temperature, °C 170
92 to 130
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 73 to 160
120
Specific Heat Capacity, J/kg-K 1230 to 1900
1400
Strength to Weight: Axial, points 11 to 21
14 to 17
Strength to Weight: Bending, points 27 to 37
29 to 33
Tensile Strength: Ultimate (UTS), MPa 36 to 93
57 to 69