... Main Content 99.5% 4. Used as food, feed, fertilizer, industry we're factory of Magnesium Sulfate,annual production is ... crystal water becomes anhydrous compounds.Use: --Mainly used in fertilizer, tanning, pringting and dyeing,activator,papermaking,plastic,porcelain,pigment ... Transportation: Knitting bags with plastic liners,25kg,40kg,50kg,1000kg per bag. Stored in dry and cool place.Protection from ...