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MDF vs. PPE

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 4.0
2.3
Elongation at Break, % 0.5
30
Tensile Strength: Ultimate (UTS), MPa 18
55

Thermal Properties

Specific Heat Capacity, J/kg-K 1700
1200
Thermal Conductivity, W/m-K 0.3
0.22
Thermal Expansion, µm/m-K 12
90

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 0.5
19

Otherwise Unclassified Properties

Density, g/cm3 0.75
1.1

Common Calculations

Stiffness to Weight: Axial, points 3.0
1.2
Stiffness to Weight: Bending, points 71
42
Strength to Weight: Axial, points 6.7
14
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 0.24
0.17
Thermal Shock Resistance, points 27
19