... medicine,feed,food grade WHITE SILICAChemical name: Silica, precipitated, hydrated, White carbon blackMolecular formula: SiO2 · nH2OAppearance: white granules or powderUse:It ... may be used for the following aspects such as husk rice roller, spinning weaving roller, adhesive for paper making, ... color or transparency. Used for [food]: It is white fine powder with high purity, high fluidity and large ...