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PMP vs. MDF

PMP belongs to the thermoplastics classification, while MDF belongs to the wood-based materials. There are 14 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 PMP and the bottom bar is MDF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.1
4.0
Elongation at Break, % 30
0.5
Tensile Strength: Ultimate (UTS), MPa 24
18

Thermal Properties

Specific Heat Capacity, J/kg-K 1750
1700
Thermal Conductivity, W/m-K 0.17
0.3
Thermal Expansion, µm/m-K 120
12

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 28
0.5

Otherwise Unclassified Properties

Density, g/cm3 0.83
0.75

Common Calculations

Stiffness to Weight: Axial, points 0.74
3.0
Stiffness to Weight: Bending, points 41
71
Strength to Weight: Axial, points 8.0
6.7
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 0.12
0.24
Thermal Shock Resistance, points 13
27