Product description: Property : Luster lozenge crystalline.Dissolved in acidulous water solution . Use : Serve the purpose of poly-third sparse synthetic catalyzer. CaTiF6.3H2O , % 98.0Min SiO3 , % 0.2Max Loss on dry , % 0.05Max SO4 , % 0.01Max Cl , % 0.05Max Fe , % 0.03Max