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PMMA vs. SBR Rubber

PMMA belongs to the thermoplastics classification, while SBR rubber belongs to the thermoset elastomers (rubber). There are 10 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2
1.1
Elongation at Break, % 4.0
530
Glass Transition Temperature, °C 110
-30
Limiting Oxygen Index (LOI), % 17
18
Specific Heat Capacity, J/kg-K 1260
1880
Strength to Weight: Axial, points 17
3.4
Strength to Weight: Bending, points 32
11
Tensile Strength: Ultimate (UTS), MPa 71
14
Thermal Conductivity, W/m-K 0.19
0.17
Thermal Diffusivity, mm2/s 0.13
0.082