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Silicone Plastic vs. SBR Rubber

Silicone plastic belongs to the thermoset plastics classification, while SBR rubber belongs to the thermoset elastomers (rubber). There are 8 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is silicone plastic and the bottom bar is SBR rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.9
1.1
Glass Transition Temperature, °C 200
-30
Specific Heat Capacity, J/kg-K 850
1880
Strength to Weight: Axial, points 5.5
3.4
Strength to Weight: Bending, points 13
11
Tensile Strength: Ultimate (UTS), MPa 38
14
Thermal Conductivity, W/m-K 0.35
0.17
Thermal Diffusivity, mm2/s 0.22
0.082