3 & 5 gallon preform mold widely used to make 3 gallon and 5 gallon buckets, The preform weight According to the actual use can choose one-time or repeated use.
3 & 5 Gallon Preform Mould Specification: 2 -16 Cavities;
| Bottle Size | Preform weight(g) | Cavity Number |
| 3gollon | 330-350g | 2 |
| 4 | ||
| 6 | ||
| 8 | ||
| 12 | ||
| 16 | ||
| 5gollon | 680-700g | 2 |
| 4 | ||
| 6 | ||
| 8 | ||
| 12 |