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PA 6 vs. PBI

PA 6 belongs to the thermoplastics classification, while PBI belongs to the thermoset plastics. There are 10 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is PA 6 and the bottom bar is PBI.

Metric UnitsUS Customary Units

Material Properties

Dielectric Constant (Relative Permittivity) At 1 MHz 3.3 to 5.0
3.8
Dielectric Strength (Breakdown Potential), kV/mm 10 to 30
23
Elastic (Young's, Tensile) Modulus, GPa 1.1 to 16
5.9
Elongation at Break, % 2.5 to 67
3.0
Flexural Modulus, GPa 1.2 to 14
6.5
Flexural Strength, MPa 40 to 230
220
Glass Transition Temperature, °C 40
410
Limiting Oxygen Index (LOI), % 24
58
Maximum Temperature: Decomposition, °C 430
590
Tensile Strength: Ultimate (UTS), MPa 35 to 210
160