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PPS vs. DAP

PPS belongs to the thermoplastics classification, while DAP belongs to the thermoset plastics. There are 12 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 PPS and the bottom bar is DAP.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 95 to 160
150
Elongation at Break, % 2.5 to 11
31
Flexural Strength, MPa 120 to 190
62
Impact Strength: Notched Izod, J/m 21 to 80
14
Tensile Strength: Ultimate (UTS), MPa 75 to 190
28

Thermal Properties

Glass Transition Temperature, °C 190 to 290
150
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
160
Specific Heat Capacity, J/kg-K 910 to 1000
1450
Thermal Expansion, µm/m-K 20 to 45
25

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.7

Common Calculations

Strength to Weight: Axial, points 16 to 37
4.5
Strength to Weight: Bending, points 30 to 52
12