Solution
The masterbatch is mainly used for coloring polymers, and mainly classified as black masterbatch, white masterbatch, color masterbatch and liquid masterbatch.

| Model | L/D | Screw Speed (rpm) | Capacity Range ( kg/hr) |
| CJWH52 | 44~56 | 600~800 | 300~500 |
| CJWH65 | 44~56 | 600~800 | 400~800 |
| CJWH75 | 44~56 | 600~800 | 500~1000 |
| CJWH95 | 44~56 | 500~600 | 600~1500 |