COC vs. PBT
Both COC and PBT are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is COC and the bottom bar is PBT.
Metric UnitsUS Customary Units
Material Properties
Density, g/cm3 | 1.0 | |
1.3 to 1.5 |
Elastic (Young's, Tensile) Modulus, GPa | 3.0 | |
2.7 to 8.7 |
Elongation at Break, % | 2.5 | |
2.5 to 43 |
Heat Deflection Temperature At 455 kPa (66 psi), °C | 130 | |
160 |
Stiffness to Weight: Axial, points | 1.7 | |
1.1 to 3.2 |
Stiffness to Weight: Bending, points | 48 | |
35 to 45 |
Strength to Weight: Axial, points | 17 | |
12 to 25 |
Strength to Weight: Bending, points | 34 | |
25 to 38 |
Tensile Strength: Ultimate (UTS), MPa | 60 | |
58 to 140 |