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Phenolic vs. DAP

Both phenolic and DAP are thermoset plastics. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 3.8
13
Elongation at Break, % 2.0
31
Tensile Strength: Ultimate (UTS), MPa 48
28

Thermal Properties

Glass Transition Temperature, °C 170
150
Specific Heat Capacity, J/kg-K 1400
1450
Thermal Conductivity, W/m-K 0.25
0.6
Thermal Expansion, µm/m-K 120
25

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 46
40
Electrical Resistivity Order of Magnitude, 10x Ω-m 11
13

Otherwise Unclassified Properties

Density, g/cm3 1.3
1.7

Common Calculations

Stiffness to Weight: Axial, points 1.6
4.1
Stiffness to Weight: Bending, points 40
46
Strength to Weight: Axial, points 10
4.5
Strength to Weight: Bending, points 23
12
Thermal Diffusivity, mm2/s 0.14
0.24
Thermal Shock Resistance, points 7.5
6.3