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PPSU vs. PP Copolymer

Both PPSU and PP copolymer are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is PPSU and the bottom bar is PP copolymer.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 3.6
0.9 to 1.1
Elongation at Break, % 26
12
Flexural Modulus, GPa 4.7
1.3
Flexural Strength, MPa 130
31
Impact Strength: Notched Izod, J/m 80
110 to 350
Tensile Strength: Ultimate (UTS), MPa 95
23 to 33

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 210
50 to 100
Heat Deflection Temperature At 455 kPa (66 psi), °C 220
82 to 98
Maximum Temperature: Mechanical, °C 160
80

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.8
2.2 to 2.3
Dielectric Strength (Breakdown Potential), kV/mm 16
21 to 22

Otherwise Unclassified Properties

Density, g/cm3 1.4
0.9

Common Calculations

Stiffness to Weight: Axial, points 1.4
0.56 to 0.68
Stiffness to Weight: Bending, points 36
36 to 38
Strength to Weight: Axial, points 19
7.1 to 10
Strength to Weight: Bending, points 33
20 to 25