COC vs. PAI
Both COC and PAI are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is COC and the bottom bar is PAI.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 3.0 | |
4.0 to 8.3 |
Elongation at Break, % | 2.5 | |
3.0 to 12 |
Tensile Strength: Ultimate (UTS), MPa | 60 | |
100 to 180 |
Thermal Properties
Thermal Expansion, µm/m-K | 60 | |
15 to 34 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.0 | |
1.4 to 1.6 |
Water Absorption After 24 Hours, % | 0 | |
0.3 to 0.4 |
Common Calculations
Stiffness to Weight: Axial, points | 1.7 | |
1.6 to 3.2 |
Stiffness to Weight: Bending, points | 48 | |
38 to 47 |
Strength to Weight: Axial, points | 17 | |
19 to 34 |
Strength to Weight: Bending, points | 34 | |
33 to 49 |
Thermal Shock Resistance, points | 24 | |
48 to 110 |