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PMP vs. UHMW-PE

Both PMP and UHMW-PE are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.1
0.8
Elongation at Break, % 30
400
Tensile Strength: Ultimate (UTS), MPa 24
49

Thermal Properties

Melting Onset (Solidus), °C 230
130
Specific Heat Capacity, J/kg-K 1750
1750
Thermal Conductivity, W/m-K 0.17
0.41
Thermal Expansion, µm/m-K 120
180

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.1
2.2

Otherwise Unclassified Properties

Density, g/cm3 0.83
0.94

Common Calculations

Stiffness to Weight: Axial, points 0.74
0.47
Stiffness to Weight: Bending, points 41
33
Strength to Weight: Axial, points 8.0
14
Strength to Weight: Bending, points 22
32
Thermal Diffusivity, mm2/s 0.12
0.25
Thermal Shock Resistance, points 13
25