MakeItFrom.com
Menu (ESC)

DAP vs. PPSU

DAP belongs to the thermoset plastics classification, while PPSU belongs to the thermoplastics. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 150
140
Elastic (Young's, Tensile) Modulus, GPa 13
3.6
Elongation at Break, % 31
26
Flexural Strength, MPa 62
130
Impact Strength: Notched Izod, J/m 14
80
Tensile Strength: Ultimate (UTS), MPa 28
95

Thermal Properties

Glass Transition Temperature, °C 150
220
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 160
210
Specific Heat Capacity, J/kg-K 1450
970
Thermal Conductivity, W/m-K 0.6
0.24
Thermal Expansion, µm/m-K 25
45

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 5.2
3.8
Dielectric Strength (Breakdown Potential), kV/mm 40
16
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
14

Otherwise Unclassified Properties

Density, g/cm3 1.7
1.4

Common Calculations

Stiffness to Weight: Axial, points 4.1
1.4
Stiffness to Weight: Bending, points 46
36
Strength to Weight: Axial, points 4.5
19
Strength to Weight: Bending, points 12
33
Thermal Diffusivity, mm2/s 0.24
0.17
Thermal Shock Resistance, points 6.3
42