Fumed Silica or Colloidal Silicon Dioxide Manufacturers
Mar 31, 2021 · Silica []. Colloidal Silicon Dioxide is a submicroscopic fumed silica prepared by the vaporphase hydrolysis of a silicon compound. When ignited at 1000 for 2 hours, it contains not less than percent and not more than percent of SiO2. Packaging and storage: Preserve in wellclosed containers.