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DAP vs. MDF

DAP belongs to the thermoset plastics classification, while MDF belongs to the wood-based materials. There are 15 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

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

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 150
10
Elastic (Young's, Tensile) Modulus, GPa 13
4.0
Elongation at Break, % 31
0.5
Tensile Strength: Ultimate (UTS), MPa 28
18

Thermal Properties

Specific Heat Capacity, J/kg-K 1450
1700
Thermal Conductivity, W/m-K 0.6
0.3
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 40
0.5

Otherwise Unclassified Properties

Density, g/cm3 1.7
0.75

Common Calculations

Stiffness to Weight: Axial, points 4.1
3.0
Stiffness to Weight: Bending, points 46
71
Strength to Weight: Axial, points 4.5
6.7
Strength to Weight: Bending, points 12
20
Thermal Diffusivity, mm2/s 0.24
0.24
Thermal Shock Resistance, points 6.3
27