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SBR Rubber vs. PLA

SBR rubber belongs to the thermoset elastomers (rubber) classification, while PLA belongs to the thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.1
1.3
Elongation at Break, % 530
6.0
Glass Transition Temperature, °C -30
60
Maximum Temperature: Mechanical, °C 100
50
Specific Heat Capacity, J/kg-K 1880
1800
Strength to Weight: Axial, points 3.4
11
Strength to Weight: Bending, points 11
24
Tensile Strength: Ultimate (UTS), MPa 14
50
Thermal Conductivity, W/m-K 0.17
0.13
Thermal Diffusivity, mm2/s 0.082
0.058