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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