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PES vs. PTT

Both PES and PTT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.

For each property being compared, the top bar is PES and the bottom bar is PTT.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4
1.3
Elastic (Young's, Tensile) Modulus, GPa 2.6
2.5
Elongation at Break, % 65
60
Flexural Modulus, GPa 2.6
2.8
Flexural Strength, MPa 130
100
Stiffness to Weight: Axial, points 1.1
1.0
Stiffness to Weight: Bending, points 33
34
Strength to Weight: Axial, points 18
13
Strength to Weight: Bending, points 32
26
Tensile Strength: Ultimate (UTS), MPa 87
60