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PPSU vs. MDF

PPSU belongs to the thermoplastics 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 (19, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 140
10
Elastic (Young's, Tensile) Modulus, GPa 3.6
4.0
Elongation at Break, % 26
0.5
Tensile Strength: Ultimate (UTS), MPa 95
18

Thermal Properties

Specific Heat Capacity, J/kg-K 970
1700
Thermal Conductivity, W/m-K 0.24
0.3
Thermal Expansion, µm/m-K 45
12

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 16
0.5

Otherwise Unclassified Properties

Density, g/cm3 1.4
0.75

Common Calculations

Stiffness to Weight: Axial, points 1.4
3.0
Stiffness to Weight: Bending, points 36
71
Strength to Weight: Axial, points 19
6.7
Strength to Weight: Bending, points 33
20
Thermal Diffusivity, mm2/s 0.17
0.24
Thermal Shock Resistance, points 42
27