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PPS vs. CPVC

Both PPS and CPVC are thermoplastics. There are 14 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 CPVC.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 95 to 160
70
Elongation at Break, % 2.5 to 11
4.0
Flexural Modulus, GPa 13 to 17
2.5
Flexural Strength, MPa 120 to 190
100
Impact Strength: Notched Izod, J/m 21 to 80
510
Rockwell R Hardness 120
120
Tensile Strength: Ultimate (UTS), MPa 75 to 190
50

Thermal Properties

Glass Transition Temperature, °C 190 to 290
100
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 130 to 260
91
Specific Heat Capacity, J/kg-K 910 to 1000
780
Thermal Expansion, µm/m-K 20 to 45
65

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.7
1.5

Common Calculations

Strength to Weight: Axial, points 16 to 37
9.4
Strength to Weight: Bending, points 30 to 52
20