| Dimensional parameters | | El Toro - AU |
| Nominal dimensions (mm) | 230 x 76 x 110 |
| Median dimensions (mm) | 230 x 76 x 110 |
| Weight per brick (kg) | 2.55 |
| Bricks per pack | 384 |
| Weight per pack (kg) | 980 |
| Bricks per m2 | 49 |
| Voids (%) | 36 |
| Performance parameters | | |
| Unconfined characteristic compressive strength (f' uc ) (MPa) | ≥ 40 |
| Cold water absorption (%) | ≤ 6 |
| Initial rate of absorption (kg/m2 min) | ≤ 0.6 |
| Potential for efflorescence | Nil |
| Durability class | EXP |
