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PMP vs. LDPE

Both PMP and LDPE are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.1
0.3
Tensile Strength: Ultimate (UTS), MPa 24
7.0

Thermal Properties

Glass Transition Temperature, °C 30
-130
Melting Onset (Solidus), °C 230
110
Specific Heat Capacity, J/kg-K 1750
2300
Thermal Conductivity, W/m-K 0.17
0.36
Thermal Expansion, µm/m-K 120
220

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.1
2.3

Otherwise Unclassified Properties

Density, g/cm3 0.83
0.92

Common Calculations

Stiffness to Weight: Axial, points 0.74
0.18
Stiffness to Weight: Bending, points 41
24
Strength to Weight: Axial, points 8.0
2.1
Strength to Weight: Bending, points 22
8.8
Thermal Diffusivity, mm2/s 0.12
0.17
Thermal Shock Resistance, points 13
7.6