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PPE vs. MDF

PPE 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 (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.1
0.75

Common Calculations

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