... composition and physical properties: SiO253.10%Al2O345.62%TiO20.37%Fe2O30.22%CaO0.10%MgO0.34%K2O0.02%Na2O0.06 ... . Passed ISO 9000, the certificate No. is USA10Q22233R0S.Exporting to worldwide countries: Europe, Southeast Asia, Japan, Korea, Middle East, North ... information china kaolin clay (Fe2O3 0.22%,TiO2 0.37%,800,1000,1250,1800,2000,2500mesh)