PA6/6 Injection Molding – Glass Reinforced >15%

Processing Considerations for PA6/6 Injection Molding – Glass Reinforced >15%

Recommended Processing Considerations: PA6/6 Injection Molding - Glass Reinforced >15%

Melt Temperature: Nylene PA6/6 melts at 490 °F (254°C), actual melt temperatures of 540-600 (282-316°C) are permissible, depending on residence time and shot size.

Mold Temperature: 120-200 °F (49-93°C), highly filled grades require 180-200 °F (82-93°C) to obtain the best overall surface appearance, higher temperatures will increase crystallinity.

Residence Time: should not exceed 6 minutes if possible, less with higher melt temperatures.

Shot Size: should be between 25-75% of barrel capacity.

Fill Rate: fast fill rates are suggested for best surface appearance.

Regrind Level: typically no more than 25% is recommended, with higher levels possible for unfilled grades depending on the end use requirements. Make certain regrind is properly dried to virgin moisture levels.

Drying Temperature: 150-180 °F (65-182°C) (for 2-4 hours, Nylene PA6/6 should be dried to less than 0.20% moisture for optimum performance. Drying longer than 4 hours or at higher temperatures may cause oxidation of the polymer or remove essential volatiles.


ProductReinforcement/AdditivesFeaturesResin Type
Nylene 4114-33
  • Glass Filled
  • Impact Modified
  • High stiffness
  • High toughness
  • Nylon 6/6
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