Troubleshooting

Nytex is committed to the highest quality for all customers. We have stringent controls over every step of our manufacturing and quality control process, but if in any case you happen to face a molding issue during your manufacturing process, the troubleshooting guide can be used to self analyze the problem and gives you corrective actions to improve on the process.

  • Flash
  • Machine/Pressure Related Causes 1. Decrease Injection Pressure 2. Increase Clamp Pressure 3. Decrease Injection Hold Time 4. Decrease Cylinder Temperature 5. Decrease Injection Speed 6. Decrease Cycle Time
    Mold Related Causes
    Resin Related Causes
  • Short Shots
  • Machine/Pressure Related Causes 1. Increase Injection Pressure 2. Increase Cylinder Temperature 3. Increase Feed Setting 4. Increase Injection Speed 5. Increase Back Pressure
    Mold Related Causes 1. Decrease Gate Land Area 2. Use Larger Opening in Nozzle 3. Increase Runner, Gate or Sprue Size 4. Add More Gas Vents 5. Change Gate Location 6. Increase Mold Temperature
    Resin Related Causes 1. Resin Overdried
  • Discoloration
  • Machine/Pressure Related Causes 1. Decrease Cylinder Temperature 2. Decrease Injection Speed 3. Decrease Back Pressure
    Mold Related Causes
    Resin Related Causes 1. Resin is not Heat Stabilized
  • Poor Surface Finish
  • Machine/Pressure Related Causes 1. Increase Cylinder Temperature
    Mold Related Causes 1. Clean Cavity Surfaces 2. Increase Mold Temperature
    Resin Related Causes 1. Resin Wet 2. Resin Contaminated
  • Sink Marks
  • Machine/Pressure Related Causes 1. Increase Injection Pressure 2. Increase Injection Hold Time 3. Decrease Melt Temperature 4. Increase Injection Time 5. Increase Cooling Time 6. Decrease Injection Speed
    Mold Related Causes 1. Increase Runner, Gate or Sprue Size
    Resin Related Causes 1. Resin Overdried
  • Silver Streak
  • Machine/Pressure Related Causes 1. Decrease Cylinder Temperature 2. Decrease Injection Speed 3. Decrease Injection Pressure
    Mold Related Causes 1. Increase Mold Temperature 2. Increase Gate Size
    Resin Related Causes 1. Resin Wet 2. Resin Contaminated
  • Surface Blisters
  • Machine/Pressure Related Causes 1. Decrease Injection Pressure 2. Decrease Cylinder Temperature 3. Increase Back Pressure
    Mold Related Causes 1. Change Gate Location 2. Add More Gas Vent
    Resin Related Causes 1. Resin Wet 2. Resin Contaminated
  • Delamination
  • Machine/Pressure Related Causes 1. Increase Cylinder Temperature 2. Decrease Injection Pressure 3. Increase Injection Speed
    Mold Related Causes 1. Increase Gate Size 2. Increase Mold Temperature
    Resin Related Causes 1. Resin Contaminated
  • Warpage
  • Machine/Pressure Related Causes 1. Decrease Injection Pressure 2. Decrease Injection Speed 3. Decrease Injection Hold Time 4. Increase Cooling Time 5. Decrease Cylinder Temperature
    Mold Related Causes 1. Decrease Mold Temperature 2. Redesign Ejection Mechanism 3. Change Gate Location
    Resin Related Causes
  • Flow Mark
  • Machine/Pressure Related Causes 1. Increase Cylinder Temperature 2. Increase Injection Pressure 3. Increase Injection Speed 4. Increase Injection Hold Time 5. Increase Nozzle Temperature
    Mold Related Causes 1. Increase Mold Temperature 2. Increase Gate Size 3. Add More Gas Vents 4. Uneven Mold Temperature
    Resin Related Causes 1. Resin Contaminated
  • Brittleness
  • Machine/Pressure Related Causes 1. Decrease Cylinder Temperature 2. Decrease Injection Pressure 3. Decrease Injection Hold Time
    Mold Related Causes 1. Redesign Ejection Mechanism 2. Increase Mold Temperature
    Resin Related Causes 1. Resin Wet
  • Burn Marks
  • Machine/Pressure Related Causes 1. Decrease Cylinder Temperature 2. Decrease Injection Speed 3. Decrease Injection Pressure 4. Decrease Back Pressure
    Mold Related Causes 1. Increase Gate Size 2. Add More Gas Vents
    Resin Related Causes
  • Weld Lines
  • Machine/Pressure Related Causes 1. Increase Nozzle Temperature 2. Increase Injection Pressure 2. Increase Injection Speed
    Mold Related Causes 1. Increase Runner, Gate or Sprue Size 2. Change Gate Location 3. Increase Mold Temperature 4. Add More Gas Vents
    Resin Related Causes 1. Resin Wet
  • Jetting Mark
  • Machine/Pressure Related Causes 1. Increase Cylinder Temperature 2. Readjust Injection Speed
    Mold Related Causes 1. Increase Gate Size 2. Add More Gas Vents 3. Increase Mold Temperature
    Resin Related Causes 1. Resin Wet

thermal conductive plastic

Plastic Heat Sink

Led Heat Sink

Heat Sink

high temperature materials

high temperature plastic

high performance materials

high performance polymers

high temperature nylon

high heat resistance

high temperature

high rigidity9.high flow

low moisture absorption

low water absorption

low warpage

halogen-free flame retardant

non-halogen flame retardant

high modulus

PLA

Biodegradable Materials

Biodegradable Plastics

Bio-Polymer

Green Plastics

Polylactide

nylon

nylon 66

nylon 6

pa

polyamide

pa66

pa6

pa6 pa66

pa66 30 gf

pa66 30