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PPO vs. CR Rubber

PPO belongs to the thermoplastics classification, while CR rubber belongs to the thermoset elastomers (rubber). There are 8 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is PPO and the bottom bar is CR rubber.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.1 to 1.4
1.5
Elongation at Break, % 3.5 to 28
380
Limiting Oxygen Index (LOI), % 32
26
Maximum Temperature: Mechanical, °C 100 to 110
130
Specific Heat Capacity, J/kg-K 1020 to 1250
1120
Strength to Weight: Axial, points 16 to 27
1.9
Strength to Weight: Bending, points 33 to 42
7.1
Tensile Strength: Ultimate (UTS), MPa 63 to 140
11