... :Grain Aluminium sulphate 1,alumium sulphate appearance: white powder, flake and granule 2,Purity:15. ... salt, printing ink,lubricant,boiler cleaning agent,satin white,oilcloth,linoleum,ceramics,for sizing paper,clarifying fats and oils,tanning white leather,and water ... purification as deodorization and decolourizer in petroleum refining,as filtering medium water-proofing ...