... ,medicine,feed,food grade WHITE SILICAChemical name: Silica, precipitated, hydrated, White carbon blackMolecular formula: SiO2 · nH2OAppearance: white granules or powderUse:It is ... light color or transparency. Used for [food]: It is white fine powder with high purity, high fluidity and large specific ... bag made of polypropylene. Net weight is 20KGs. White carbon Black-Silicon dioxide precipitated