UHMW-PE vs. MDPE

Both UHMW-PE and MDPE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is UHMW-PE and the bottom bar is MDPE.

Ultra High Molecular Weight Polyethylene (UHMW-PE)Medium Density Polyethylene (MDPE)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		0.94
Density, g/cm³		0.93

Dielectric Constant (Relative Permittivity) At 1 Hz		2.2
Dielectric Constant (Relative Permittivity) At 1 Hz		2.3

Elastic (Young's, Tensile) Modulus, GPa		0.8
Elastic (Young's, Tensile) Modulus, GPa		0.6

Melting Onset (Solidus), °C		130
Melting Onset (Solidus), °C		120

Specific Heat Capacity, J/kg-K		1750
Specific Heat Capacity, J/kg-K		2350

Stiffness to Weight: Axial, points		0.47
Stiffness to Weight: Axial, points		0.36

Stiffness to Weight: Bending, points		33
Stiffness to Weight: Bending, points		30

Thermal Conductivity, W/m-K		0.41
Thermal Conductivity, W/m-K		0.4

Thermal Diffusivity, mm²/s		0.25
Thermal Diffusivity, mm²/s		0.18

UHMW-PE vs. MDPE

Material Properties

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