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PPO vs. IR Rubber

PPO belongs to the thermoplastics classification, while IR rubber belongs to the thermoset elastomers (rubber). There are 7 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 PPO and the bottom bar is IR rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.1 to 1.4
1.0
Elongation at Break, % 3.5 to 28
600
Limiting Oxygen Index (LOI), % 32
19
Specific Heat Capacity, J/kg-K 1020 to 1250
1550
Strength to Weight: Axial, points 16 to 27
5.6
Strength to Weight: Bending, points 33 to 42
17
Tensile Strength: Ultimate (UTS), MPa 63 to 140
19