... its crystal water becomes anhydrous compounds. Use:--Mainly used in tanning, pringting and dyeing,activator,papermaking,plastic,porcelain, ... matchmaking ,dynamite and fireproof materials making .--Can used in pringting and dyeing delaine as the aggravating reagent of ... Epsom salts at medicine. Packing, Storage and Transportation:Knitting bags with plastic liners,25kg,40kg,50kg per bag.Stored in dry ...