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PETG vs. PSU

Both PETG and PSU are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is PETG and the bottom bar is PSU.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 55
95 to 180
Flexural Modulus, GPa 2.1
2.7 to 14
Flexural Strength, MPa 77
110 to 200
Impact Strength: Notched Izod, J/m 77
59 to 100
Tensile Strength: Ultimate (UTS), MPa 53
70 to 140

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 69
180 to 200
Specific Heat Capacity, J/kg-K 1200
910 to 1000
Thermal Expansion, µm/m-K 68
25 to 57

Otherwise Unclassified Properties

Density, g/cm3 1.3
1.2 to 1.6

Common Calculations

Strength to Weight: Axial, points 12
16 to 25
Strength to Weight: Bending, points 25
30 to 40