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PPO vs. CAB

Both PPO and CAB are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 3.5 to 28
50 to 55
Flexural Modulus, GPa 2.5 to 8.6
0.8 to 1.7
Flexural Strength, MPa 92 to 140
21 to 57
Tensile Strength: Ultimate (UTS), MPa 63 to 140
20 to 50

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120 to 140
53 to 82
Specific Heat Capacity, J/kg-K 1020 to 1250
1460
Thermal Expansion, µm/m-K 25 to 60
14

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 19 to 21
15
Electrical Resistivity Order of Magnitude, 10x Ω-m 15
16

Otherwise Unclassified Properties

Density, g/cm3 1.1 to 1.4
1.2
Limiting Oxygen Index (LOI), % 32
18
Water Absorption After 24 Hours, % 0.060 to 0.070
1.2 to 1.6

Common Calculations

Strength to Weight: Axial, points 16 to 27
4.8 to 12
Strength to Weight: Bending, points 33 to 42
14 to 25