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LDPE vs. MDPE

Both LDPE and MDPE 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 LDPE and the bottom bar is MDPE.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
2.3

Otherwise Unclassified Properties

Density, g/cm3 0.92
0.93

Common Calculations

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