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Alum Powder is a hydrate double sulfate salt of aluminum which is widely utilized in various industrial processes. It finds application as mordant in dying & tanning, as a flocculant, as a piped water purifier in medicine & cosmetics, and for fire proof paper & cloth. This compound appears as white colored powder with high affinity for moisture. Alum Powder is also used in baking powder & pickling and deodorants as well. Potassium alum is known to make cell walls of vegetables & fruits strong resulting in crispier preparation for pickles. With chemical formula KAl(SO4)2.12H2O, it is also utilized in formulation of deodorants and antitranspirants.