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PAI vs. PTT

Both PAI and PTT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.6
1.3
Elastic (Young's, Tensile) Modulus, GPa 4.0 to 8.3
2.5
Elongation at Break, % 3.0 to 12
60
Flexural Modulus, GPa 4.0 to 6.8
2.8
Flexural Strength, MPa 160 to 320
100
Stiffness to Weight: Axial, points 1.6 to 3.2
1.0
Stiffness to Weight: Bending, points 38 to 47
34
Strength to Weight: Axial, points 19 to 34
13
Strength to Weight: Bending, points 33 to 49
26
Tensile Strength: Ultimate (UTS), MPa 100 to 180
60