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UP vs. PPO

UP belongs to the thermoset plastics classification, while PPO belongs to the thermoplastics. There are 9 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 UP and the bottom bar is PPO.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.0
1.1 to 1.4
Dielectric Constant (Relative Permittivity) At 1 Hz 6.0
2.7 to 3.2
Elongation at Break, % 1.0
3.5 to 28
Limiting Oxygen Index (LOI), % 20
32
Specific Heat Capacity, J/kg-K 1200
1020 to 1250
Strength to Weight: Axial, points 4.2
16 to 27
Strength to Weight: Bending, points 11
33 to 42
Tensile Strength: Ultimate (UTS), MPa 30
63 to 140
Thermal Expansion, µm/m-K 3.0
25 to 60