Chemical Composition Guaranteed (% by dry basis) Fe 64% basis below 61% rejection SiO2 4.0% typical Al2O3 2.5% typical Sulphur (S) 0.05 typical, 0.1%Max. Phosphorus (P) 0.05 typical, 0.1%Max. Moisture loss At 105 degree centigrade. 5.0% Max. Physical Size +40mm 15%Max. 10-40mm 75%Min. - 10mm 10% Max.