Zirconium Basic Sulfate Formula ZrOSO4·nH2O Appearance and general characteridtics White powder Insoluble in water ,Non-toxic,Odorless Applications leather softener, degreasing agent, in manufacture of other zirconium salts. SpecificationZBS ITEM ZrO 2 +HfO 2 %Na 2 O%Fe 2 O 3 %SiO 2 %TiO 2 %32min0.02%max0.002%max0.02%max0.002%max