PET vs. PA 6/12
Both PET and PA 6/12 are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is PET and the bottom bar is PA 6/12.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 3.5 to 11 | |
1.7 to 2.2 |
Elongation at Break, % | 2.5 to 70 | |
30 to 120 |
Flexural Modulus, GPa | 8.3 to 14 | |
1.2 to 2.2 |
Tensile Strength: Ultimate (UTS), MPa | 60 to 140 | |
40 to 58 |
Thermal Properties
Maximum Temperature: Decomposition, °C | 390 | |
450 |
Melting Onset (Solidus), °C | 260 | |
210 |
Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
1590 |
Electrical Properties
Dielectric Constant (Relative Permittivity) At 1 Hz | 3.7 | |
3.9 to 12 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.4 to 1.6 | |
1.1 |
Limiting Oxygen Index (LOI), % | 21 | |
25 |
Water Absorption At Saturation, % | 0.24 to 0.5 | |
3.0 |
Common Calculations
Stiffness to Weight: Axial, points | 1.2 to 4.4 | |
0.89 to 1.2 |
Stiffness to Weight: Bending, points | 32 to 54 | |
38 to 41 |
Strength to Weight: Axial, points | 12 to 27 | |
10 to 15 |
Strength to Weight: Bending, points | 25 to 41 | |
25 to 31 |