Troubleshooting guide for common molding defects
| Defect | Primary Cause |
|---|---|
| Sink Mark | Insufficient hold pressure/time |
| Weld Line | Low melt or mold temp |
| Flash | Excessive pressure or low clamp force |
| Short Shot | Insufficient material, blocked gate |
| Splay/Silver Streak | Moisture in material (undried) |
| Jetting | Too fast initial injection |
| Burn Marks | Trapped air, excess shear |
| Warpage | Non-uniform cooling |