Aluminium sulphate15.8% Al2O3 %---------------------------------min 15.8 Iron Fe content%------------------------max 0.50 Water insoluble matter %----------------max 0.15 PH value 1% aqueous solution------------ min 3.0 Heavy metals as Pb %------------------ max 0.002 As %----------------------------------max 0.0005 Aluminium sulphate17% Al2O3 %-----------------------------------min 17 Iron Fe content%-----------------------max 0.005 Water insoluble matter %----------------max 0.15 PH value 1% aqueous solution------------ min 3.0 Heavy metals as Pb %------------------ max 0.002 AS %----------------------------------max 0.0005 Granularity----------------------------15mm. Packing:25kg or 50kg in bags, 25mt in 20'FCL.