... Calcium granules Parameter:ProductChemical CompositionCalcium granulesCaImpurities Element (not more than %)Min%FeNiMnCuMgAlSi98.50.0300.0060.0200.0020.8000.4000.003Size :0 ... -2mm ,0-2.5 mm ,0-3mm granules, or processed according to the user ... purity rare earth metals in alloy smelting, steelmaking industry. Calcium metal granules