Properties: White hygroscopic crystal, density 1.69 (Al2 (SO4) 3 18H2O), dehydration temperature 86.5. Soluble in water, acid and base, non-soluble in alcohol. Aqueous solution is acid.Uses: Used manufacture of high-class titanium pigment and paper; Water treatment, leather, printing/dye, etc.Packing: 25kg P. P. Bag.