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UHMW-PE vs. CR Rubber

UHMW-PE belongs to the thermoplastics classification, while CR rubber belongs to the thermoset elastomers (rubber). There are 8 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.94
1.5
Elongation at Break, % 400
380
Specific Heat Capacity, J/kg-K 1750
1120
Strength to Weight: Axial, points 14
1.9
Strength to Weight: Bending, points 32
7.1
Tensile Strength: Ultimate (UTS), MPa 49
11
Thermal Conductivity, W/m-K 0.41
0.19
Thermal Diffusivity, mm2/s 0.25
0.11