| N˚ | Coded variables | Natural variables | ||||
| Wax Content (%) | Stirring time (min) | Stirring speed (rpm) | Wax Content (%) | Stirring time (min) | Stirring speed (rpm) | |
| 1 | 1 | 0 | 1 | 5 | 6 | 18,000 |
| 2 | 0 | 1 | −1 | 3 | 9 | 15,000 |
| 3 | 1 | 1 | 0 | 5 | 9 | 16,500 |
| 4 | −1 | 0 | 1 | 1 | 6 | 18,000 |
| 5 | 0 | −1 | −1 | 3 | 3 | 15,000 |
| 6 | −1 | 0 | −1 | 1 | 6 | 15,000 |
| 7 | 1 | 0 | −1 | 5 | 6 | 15,000 |
| 8 | 0 | 0 | 0 | 3 | 6 | 16,500 |
| 9 | 0 | 0 | 0 | 3 | 6 | 16,500 |
| 10 | −1 | −1 | 0 | 1 | 3 | 16,500 |
| 11 | 0 | 1 | 1 | 3 | 9 | 18,000 |
| 12 | 0 | 0 | 0 | 3 | 6 | 16,500 |
| 13 | 0 | −1 | 1 | 3 | 3 | 18,000 |
| 14 | 1 | −1 | 0 | 5 | 3 | 16,500 |
| 15 | −1 | 1 | 0 | 1 | 6 | 16,500 |
| 16 | 0 | 0 | 0 | 3 | 6 | 16,500 |