Non-ferric aluminium sulphate powder (CAS No, 10043-01-3) Al2o3(wt): More than 16.50% Fe(wt): Less than0.004% Insoluble matter in water: Less than 0.1% pH (1% solution): More than3.0 Granularity size: 2~25mm Packaging: 25kgs/50kgs by woven bag Used...