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PPE vs. LDPE

Both PPE and LDPE are thermoplastics. There are 16 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 PPE and the bottom bar is LDPE.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.3
0.3
Tensile Strength: Ultimate (UTS), MPa 55
7.0

Thermal Properties

Glass Transition Temperature, °C 85
-130
Maximum Temperature: Autoignition, °C 430
380
Melting Onset (Solidus), °C 260
110
Specific Heat Capacity, J/kg-K 1200
2300
Thermal Conductivity, W/m-K 0.22
0.36
Thermal Expansion, µm/m-K 90
220
Vicat Softening Temperature, °C 140
50

Otherwise Unclassified Properties

Density, g/cm3 1.1
0.92

Common Calculations

Stiffness to Weight: Axial, points 1.2
0.18
Stiffness to Weight: Bending, points 42
24
Strength to Weight: Axial, points 14
2.1
Strength to Weight: Bending, points 30
8.8
Thermal Diffusivity, mm2/s 0.17
0.17
Thermal Shock Resistance, points 19
7.6