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POM-C vs. CPVC

Both POM-C and CPVC are thermoplastics. There are 13 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 POM-C and the bottom bar is CPVC.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.8 to 9.7
2.8
Elongation at Break, % 3.0 to 65
4.0
Flexural Modulus, GPa 2.6 to 9.0
2.5
Flexural Strength, MPa 83 to 170
100
Impact Strength: Notched Izod, J/m 68 to 69
510
Tensile Strength: Ultimate (UTS), MPa 61 to 110
50

Thermal Properties

Specific Heat Capacity, J/kg-K 1130 to 1370
780

Otherwise Unclassified Properties

Density, g/cm3 1.4 to 1.6
1.5
Limiting Oxygen Index (LOI), % 15
57

Common Calculations

Stiffness to Weight: Axial, points 1.1 to 3.3
1.0
Stiffness to Weight: Bending, points 33 to 44
32
Strength to Weight: Axial, points 12 to 19
9.4
Strength to Weight: Bending, points 24 to 32
20