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PETG vs. PA 6/12

Both PETG and PA 6/12 are thermoplastics. There are 15 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 PETG and the bottom bar is PA 6/12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.2
1.7 to 2.2
Flexural Modulus, GPa 2.1
1.2 to 2.2
Flexural Strength, MPa 77
45 to 64
Tensile Strength: Ultimate (UTS), MPa 53
40 to 58

Thermal Properties

Melting Onset (Solidus), °C 140
210
Specific Heat Capacity, J/kg-K 1200
1590
Thermal Conductivity, W/m-K 0.29
0.22

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.6
3.9 to 12

Otherwise Unclassified Properties

Density, g/cm3 1.3
1.1
Water Absorption After 24 Hours, % 0.2
0.25

Common Calculations

Stiffness to Weight: Axial, points 1.0
0.89 to 1.2
Stiffness to Weight: Bending, points 34
38 to 41
Strength to Weight: Axial, points 12
10 to 15
Strength to Weight: Bending, points 25
25 to 31
Thermal Diffusivity, mm2/s 0.19
0.13