(From 0 to 10 mm)
Chemical Analysis
| Dry Basis (105°C) | EXPECTED | MAXIMUM | MINIMUM |
| Fe | 64.5 | 63 | |
| SiO2 | 1.60 | 1.90 | |
| Al2O3 | 0.70 | 1.30 | |
| L.O.I. | 4.95 | 6.55 | |
| P | 0.098 | 0.125 | |
| MnO | 0.070 | ||
| CaO | 0.040 | ||
| MgO | 0.030 | ||
| S | 0.030 | ||
| TiO2 | 0.150 | ||
| K2O | 0.002 | ||
| Na2O | 0.002 |
Natural Basis
| Nat. Fe | 60.42 | ||
| H2O (yearly average) | 6.50 |
Physical Composition (natural iron square ISO screens)
| +3/8″(+9.53) mm | 3.00 | 12.00 | |
| +1/4″(+6.35 mm) | 6.00 | ||
| +100 mesh (+149 microns) | 60.00 | ||
| -100 mesh (-149 microns) | 40.00 |
