1,FeCl3% min 40 2,Molecular weight : 162.21 3,Package : Plastic barrel or ... .2. Compared with other flocculant, it has following advantages :•Saves 40% of cost compared with solid ferric chloride at equivalent concentration ... ≥1.43FeCl2, %≤0.4Non-soluble in water, %≤0.5Free acid (HCl) %≤0.5Cu, %≤0.1Zn, %≤0.1Cr, %≤0.1Pb, %≤0.1 ...