PA66 provides a higher thermal ceiling than PA6, but that advantage does not automatically produce a stronger or more reliable printed part. PA6 can be the better practical choice when the printer cannot maintain the… 

PA11 usually offers the more forgiving impact response, while PA12 is generally easier to specify when a part must retain holes, clearances, and mating dimensions across changing humidity. The decision is not simply toughness versus… 

PA6 usually offers greater dry-state stiffness and load resistance, while PA11 gives up some rigidity for lower moisture sensitivity, higher ductility and more stable behavior as humidity changes. The harder decision is not which nylon…