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DAP vs. PPS

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.7
1.3 to 1.7

Common Calculations

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