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DAP vs. Thermoset PI

Both DAP and thermoset PI are thermoset plastics. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 150
120 to 210
Elongation at Break, % 31
2.0 to 5.9
Flexural Strength, MPa 62
60 to 100
Impact Strength: Notched Izod, J/m 14
21 to 43
Tensile Strength: Ultimate (UTS), MPa 28
37 to 81

Thermal Properties

Glass Transition Temperature, °C 150
360
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 160
370
Specific Heat Capacity, J/kg-K 1450
1130
Thermal Conductivity, W/m-K 0.6
0.29 to 1.7
Thermal Expansion, µm/m-K 25
38 to 54

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 40
20
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
15

Otherwise Unclassified Properties

Density, g/cm3 1.7
1.4 to 1.6

Common Calculations

Strength to Weight: Axial, points 4.5
6.5 to 16
Strength to Weight: Bending, points 12
16 to 30
Thermal Diffusivity, mm2/s 0.24
0.18 to 0.95