Pls check the spec. As follows : Aluminium sulphate Appearance : white lumps/granules/ powder Al2o3: 15.8% min Fe: 0.45% max Ph value: 3.0 min Water-insoluble matter: 0.15% max As: 0.0005% max Pb: 0.002% max Grain size:15mm Any enquiry pls contact dara at rhwlchem.Com 25/50kg/bag, 25mt/20f+fcl
