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PPS vs. PET

Both PPS and PET are thermoplastics. There are 10 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 PPS and the bottom bar is PET.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3 to 1.7
1.4 to 1.6
Elongation at Break, % 2.5 to 11
2.5 to 70
Flexural Modulus, GPa 13 to 17
8.3 to 14
Glass Transition Temperature, °C 190 to 290
70
Impact Strength: Notched Izod, J/m 21 to 80
43 to 85
Specific Heat Capacity, J/kg-K 910 to 1000
1000 to 1150
Strength to Weight: Axial, points 16 to 37
12 to 27
Strength to Weight: Bending, points 30 to 52
25 to 41
Tensile Strength: Ultimate (UTS), MPa 75 to 190
60 to 140
Water Absorption At Saturation, % 0.060 to 0.1
0.24 to 0.5