silica powder Si02 99.3%,200 mesh factroy price silica powderTECHNICAL 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-corrosive, anti- acid and anti alkali. The ideal filling materials and additive in comprehensive applications including paint-coatings, glazes, architecture, ...