Aluminum sulfate is an inorganic compound with the chemical formula Al2 (SO4) 3 and a molecular weight of 342.15. It is a white crystalline powder.
In the paper industry, it can be used as a precipitator for rosin gum, wax lotion and other sizing materials, as a flocculant in water treatment, as well as as a retention agent for foam fire extinguishers, raw materials for manufacturing alum and aluminum white, and raw materials for petroleum decolorization, deodorant and medicine.