PA 6/12 vs. CPVC
Both PA 6/12 and CPVC are thermoplastics. There are 16 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 PA 6/12 and the bottom bar is CPVC.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 1.7 to 2.2 | |
| 2.8 |
| Elongation at Break, % | 30 to 120 | |
| 4.0 |
| Flexural Modulus, GPa | 1.2 to 2.2 | |
| 2.5 |
| Flexural Strength, MPa | 45 to 64 | |
| 100 |
| Tensile Strength: Ultimate (UTS), MPa | 40 to 58 | |
| 50 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 1590 | |
| 780 |
| Thermal Conductivity, W/m-K | 0.22 | |
| 0.31 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.9 to 12 | |
| 3.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 | |
| 1.5 |
| Limiting Oxygen Index (LOI), % | 25 | |
| 57 |
| Water Absorption After 24 Hours, % | 0.25 | |
| 0.030 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.89 to 1.2 | |
| 1.0 |
| Stiffness to Weight: Bending, points | 38 to 41 | |
| 32 |
| Strength to Weight: Axial, points | 10 to 15 | |
| 9.4 |
| Strength to Weight: Bending, points | 25 to 31 | |
| 20 |
| Thermal Diffusivity, mm2/s | 0.13 | |
| 0.27 |