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CAP vs. CR Rubber

CAP belongs to the thermoplastics classification, while CR rubber belongs to the thermoset elastomers (rubber). 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 CAP and the bottom bar is CR rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2
1.5
Elongation at Break, % 35 to 50
380
Glass Transition Temperature, °C 190
-45
Specific Heat Capacity, J/kg-K 1480
1120
Strength to Weight: Axial, points 6.5 to 10
1.9
Strength to Weight: Bending, points 17 to 23
7.1
Tensile Strength: Ultimate (UTS), MPa 28 to 45
11
Thermal Conductivity, W/m-K 0.25
0.19
Thermal Diffusivity, mm2/s 0.14
0.11