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MDPE vs. LDPE

Both MDPE and LDPE are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.6
0.3
Shear Modulus, GPa 0.64
0.21

Thermal Properties

Glass Transition Temperature, °C -80
-130
Melting Onset (Solidus), °C 120
110
Specific Heat Capacity, J/kg-K 2350
2300
Thermal Conductivity, W/m-K 0.4
0.36

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
2.3

Otherwise Unclassified Properties

Density, g/cm3 0.93
0.92

Common Calculations

Stiffness to Weight: Axial, points 0.36
0.18
Stiffness to Weight: Bending, points 30
24
Thermal Diffusivity, mm2/s 0.18
0.17