PA6/6 Injection Molding – Impact Modified

Processing Considerations for PA6/6 Injection Molding – Impact Modified

Recommended Processing Considerations: PA6/6 Injection Molding - Impact Modified

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 (65-82°C) for 2-4 hours, Nylene® PA6/6 should be dried to less then 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.

Products

ProductReinforcement/AdditivesFeaturesResin Type
Nylene 311 HS
  • Impact Modified
  • Heat resistance
  • Higher flexibility
  • Higher toughness
  • Scuff resistance
  • Nylon 6/6
Nylene 311-02
  • Unfilled
  • Impact Modified
  • Economical
  • Scuff resistance
  • Tough and strong
  • Nylon 6/6
Nylene 311
  • Impact Modified
  • Increased flexibility
  • Scuff resistance
  • Tough and strong
  • Nylon 6/6
Nylene 411 HS
  • Impact Modified
  • Medium impact strength
  • Nylon 6/6
Nylene 311-02 HS
  • Unfilled
  • Heat Stabilizer
  • Impact Modified
  • Economical
  • Scuff resistance
  • Tough and strong
  • Nylon 6/6
Nylene 311 HS BK
  • Unfilled
  • Heat Stabilizer
  • Impact Modified
  • Higher flexibility
  • Higher toughness
  • Scuff resistance
  • Tough and strong
  • Nylon 6/6
Nylene 4114 HS BK
  • Heat Stabilizer
  • Impact Modified
  • High impact strength
  • Increased flexibility
  • Nylon 6/6
Nylene 4114 HS
  • Heat Stabilizer
  • Impact Modified
  • Heat resistance
  • High impact
  • Increased flexibility
  • Nylon 6/6
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