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CR Rubber vs. CAB

CR rubber belongs to the thermoset elastomers (rubber) classification, while CAB belongs to the thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is CR rubber and the bottom bar is CAB.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.5
1.2
Elongation at Break, % 380
50 to 55
Glass Transition Temperature, °C -45
140
Limiting Oxygen Index (LOI), % 26
18
Specific Heat Capacity, J/kg-K 1120
1460
Strength to Weight: Axial, points 1.9
4.8 to 12
Strength to Weight: Bending, points 7.1
14 to 25
Tensile Strength: Ultimate (UTS), MPa 11
20 to 50
Thermal Conductivity, W/m-K 0.19
0.25
Thermal Diffusivity, mm2/s 0.11
0.14 to 0.15