We are Chinese largest and direct manufacturer of Aluminium Sulphate. The product was included Ferric Aluminium sulphate and Non-ferric Aluminium sulphate with many different specification and shapes. As one of the most importment suppliers in chemicals, we have many year expreience exporting to worldwide. We supply aluminium sulphate in powder, granules, flake and lump. The specifications are as under: Al2O3 Not less than 15.8% -17% Iron Less than 0.005% -0.7% PH not less than 3 Insoluble matter in water: 0.15% As: 0.0005% ; Pb: 0.002% Contact: luankai@ sanfengchem.com