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PA 6/12 vs. PES

Both PA 6/12 and PES are thermoplastics. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is PA 6/12 and the bottom bar is PES.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.7 to 2.2
2.6
Elongation at Break, % 30 to 120
65
Flexural Modulus, GPa 1.2 to 2.2
2.6
Flexural Strength, MPa 45 to 64
130
Tensile Strength: Ultimate (UTS), MPa 40 to 58
87

Thermal Properties

Maximum Temperature: Decomposition, °C 450
540
Specific Heat Capacity, J/kg-K 1590
1100
Thermal Conductivity, W/m-K 0.22
0.18

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.9 to 12
3.5

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.4
Limiting Oxygen Index (LOI), % 25
36
Water Absorption After 24 Hours, % 0.25
0.34

Common Calculations

Stiffness to Weight: Axial, points 0.89 to 1.2
1.1
Stiffness to Weight: Bending, points 38 to 41
33
Strength to Weight: Axial, points 10 to 15
18
Strength to Weight: Bending, points 25 to 31
32
Thermal Diffusivity, mm2/s 0.13
0.12