Designation | Earth (%) | Water (%) | Cement (%) | Sawdust (%) |
BTC 0 | 87 | 13 | 0 | 0 |
BTC C4 | 83 | 13 | 4 | 0 |
BTC C6 | 81 | 13 | 6 | 0 |
BTC C8 | 79 | 13 | 8 | 0 |
BTC Sp4 | 83 | 13 | 0 | 4 |
BTC Sp6 | 81 | 13 | 0 | 6 |
BTC Sp8 | 79 | 13 | 0 | 8 |