PMP vs. MDPE

Both PMP and MDPE are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

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

Polymethylpentene (PMP)Medium Density Polyethylene (MDPE)

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Material Properties

Density, g/cm³		0.83
Density, g/cm³		0.93

Dielectric Constant (Relative Permittivity) At 1 Hz		2.1
Dielectric Constant (Relative Permittivity) At 1 Hz		2.3

Elastic (Young's, Tensile) Modulus, GPa		1.1
Elastic (Young's, Tensile) Modulus, GPa		0.6

Glass Transition Temperature, °C		30
Glass Transition Temperature, °C		-80

Melting Onset (Solidus), °C		230
Melting Onset (Solidus), °C		120

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

Stiffness to Weight: Axial, points		0.74
Stiffness to Weight: Axial, points		0.36

Stiffness to Weight: Bending, points		41
Stiffness to Weight: Bending, points		30

Thermal Conductivity, W/m-K		0.17
Thermal Conductivity, W/m-K		0.4

Thermal Diffusivity, mm²/s		0.12
Thermal Diffusivity, mm²/s		0.18

PMP vs. MDPE

Material Properties

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