... :1.6um, D50 3um D50 5um, D50 10um silica powder SILICA POWDER TECHNICAL DATA FEATURES Through chemical blanching and the ... superfine processing from the super purified and high quality natural silica ore. High pure white color, good gloss, anti- ... precision castings, polishes and cleansers, ceramic frits, adhesive, sealants, silica gels and epoxy resins and and more.TECHNICAL SPECIFICATION Chemical ...