... and granule 2,Purity:15.6%--17%1.Application :aluminum sulfate used for the manufacturing of wood –pulp,paper,alum,aluminium ... ,lubricant,boiler cleaning agent,satin white,oilcloth,linoleum,ceramics,for sizing paper,clarifying fats and oils,tanning white leather, ... as mordant in dyeing. 2.Specification: ItemAluminum Sulphate Aluminum Sulphate 16%Aluminum Sulphate non ferric 17%Al2O315.6%min15.6%min17 ...