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PP Homopolymer vs. PPE

Both PP homopolymer and PPE are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 3.0 to 80
30
Flexural Strength, MPa 41 to 100
75
Tensile Strength: Ultimate (UTS), MPa 36 to 93
55

Thermal Properties

Glass Transition Temperature, °C 170
85
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 73 to 160
120
Maximum Temperature: Mechanical, °C 120
90
Specific Heat Capacity, J/kg-K 1230 to 1900
1200
Thermal Expansion, µm/m-K 30 to 90
90

Otherwise Unclassified Properties

Density, g/cm3 0.91 to 1.2
1.1

Common Calculations

Strength to Weight: Axial, points 11 to 21
14
Strength to Weight: Bending, points 27 to 37
30