PA6 Injection Molding – Unreinforced

Processing Considerations for PA6 Injection Molding – Unreinforced

Recommended Processing Considerations: PA6 Injection Molding - Unreinforced

Melt Temperature: Melt Temperature: Nylene® PA6 melts at 428°F, (220°C) actual melt temperatures of 440-560°F (227-293°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 (66-82°C) for 2-4 hours, Nylene® PA6 should be dried to less than 0.20% moisture for optimum performance. Drying longer than 4 hours or at higher temperatures may cause discoloration of the polymer or adversely affect important physical properties.

Products

ProductReinforcement/AdditivesFeaturesResin Type
Nylene 401FR
  • Unfilled
  • Flame Retardant
  • Internally Lubricated
  • Easy mold
  • Easy molding
  • Flame Retardant V-0
  • Good feel
  • Great surface
  • Low RV
  • low wear
  • Tough and strong
  • Nylon 6
Nylene NX1170 HS
  • Heat Stabilizer
  • Molybdenum
  • Heat stabilized
  • High RV
  • High RV
  • low wear
  • Nylon 6
Nylene NX1440
  • Excellent mold release
  • Fast cycle
  • Fatigue resistance
  • General purpose
  • Good friction characteristics
  • Impact resistance
  • Resistance to fuel
  • Resistance to grease
  • Resistance to oil
  • Nylon 6
Nylene 409
  • Heat Stabilizer
  • Better dimensional stability
  • Fast cycle
  • General purpose
  • Nylon 6
Nylene 406
  • Fast cycling
  • General purpose
  • Rapid melt set-up
  • Nylon 6
Nylene 405 HS
  • Heat Stabilizer
  • Fast molding cycle
  • Good toughness
  • Heat-ageing stabilized
  • Medium viscosity
  • Nylon 6
Nylene NX4797
  • Unreinforced
  • Excellent barrier properties
  • Good melt strength
  • Grease resistance
  • Low oxygen permeation
  • Nylon 6
Nylene 406F
  • Unreinforced
  • Fast cycle
  • General purpose
  • High flow characteristics at minimal processing temperatures
  • Nylon 6
Nylene 405 HSU
  • Heat Stabilizer
  • Internally Lubricated
  • Excellent toughness
  • Good melt flow
  • High flexibility
  • Nylon 6
Nylene 401F
  • Unfilled
  • FDA Compliant
  • Easy molding
  • Food contact compliant
  • High flow
  • Nylon 6
Nylene 401
  • Unreinforced
  • Easy molding
  • General purpose
  • Good feel
  • Great surface
  • High flow
  • Low RV
  • low wear
  • Tough and strong
  • Nylon 6
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