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MDPE vs. PLA

Both MDPE and PLA are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is MDPE and the bottom bar is PLA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.93
1.3
Elastic (Young's, Tensile) Modulus, GPa 0.6
3.5
Glass Transition Temperature, °C -80
60
Melting Onset (Solidus), °C 120
160
Shear Modulus, GPa 0.64
2.4
Specific Heat Capacity, J/kg-K 2350
1800
Stiffness to Weight: Axial, points 0.36
1.6
Stiffness to Weight: Bending, points 30
40
Thermal Conductivity, W/m-K 0.4
0.13
Thermal Diffusivity, mm2/s 0.18
0.058