MDPE vs. PPE

Both MDPE and PPE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Medium Density Polyethylene (MDPE)Polyphenylene Ether (PPE)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		0.93
Density, g/cm³		1.1

Elastic (Young's, Tensile) Modulus, GPa		0.6
Elastic (Young's, Tensile) Modulus, GPa		2.3

Glass Transition Temperature, °C		-80
Glass Transition Temperature, °C		85

Melting Onset (Solidus), °C		120
Melting Onset (Solidus), °C		260

Specific Heat Capacity, J/kg-K		2350
Specific Heat Capacity, J/kg-K		1200

Stiffness to Weight: Axial, points		0.36
Stiffness to Weight: Axial, points		1.2

Stiffness to Weight: Bending, points		30
Stiffness to Weight: Bending, points		42

Thermal Conductivity, W/m-K		0.4
Thermal Conductivity, W/m-K		0.22

Thermal Diffusivity, mm²/s		0.18
Thermal Diffusivity, mm²/s		0.17

MDPE vs. PPE

Material Properties

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