Selecting the right hot runner for your mold
| Type | Gate Vestige | Cycle Time | Material | Cost |
|---|---|---|---|---|
| Valve Gate | Minimal (0.1mm) | Faster | All thermoplastics | High |
| Thermal Gate | 0.3-1.0mm | Medium | Free-flowing only | Medium |
| Open Gate | 1-3mm (manual trim) | Medium | Non-technical parts | Low |
Valve gate: essential for cosmetic parts (no gate mark), nylon PA+GF, sequential fill for weld line control. Thermal gate: PP,PE,POM only. Never use on PVC or flame-retardant materials.