Filter code | Percentage clay by (wt.) | Percentage saw dust by (wt.) | Percentage grog by (wt.) | Screen size (mm) | Thickness (cm) |
---|---|---|---|---|---|
1 | 70 | 25 | 5 | 0.5 | 1 |
2 | 70 | 25 | 5 | 0.5 | 1 |
3 | 70 | 25 | 5 | 0.5 | 1 |
4 | 75 | 20 | 5 | 0.5 | 1 |
5 | 75 | 20 | 5 | 0.5 | 1 |
6 | 75 | 20 | 5 | 0.5 | 1 |
7 | 80 | 15 | 5 | 0.5 | 1 |
8 | 80 | 15 | 5 | 0.5 | 1 |
9 | 80 | 15 | 5 | 0.5 | 1 |