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NBR Rubber vs. IR Rubber

Both NBR rubber and IR rubber are thermoset elastomers (rubber). There are 9 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is NBR rubber and the bottom bar is IR rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.0
Elongation at Break, % 380
600
Glass Transition Temperature, °C -30
-70
Specific Heat Capacity, J/kg-K 1350
1550
Strength to Weight: Axial, points 3.9
5.6
Strength to Weight: Bending, points 12
17
Tensile Strength: Ultimate (UTS), MPa 18
19
Thermal Conductivity, W/m-K 0.25
0.14
Thermal Diffusivity, mm2/s 0.15
0.1