Difference between revisions of "Aerosol silica"
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== Description == | == Description == | ||
| − | A colloidal form of [ | + | A colloidal form of [[silica|silica]] that is a very light, fluffy white powder. Aerosol silica, also called fumed silica, is made by hydrogen-oxygen furnace combustion of silicon tetrachloride. This produces tiny spherical particles of varying sizes. Aerosol silica is available in [[hydrophilic|hydrophilic]] and [[hydrophobic|hydrophobic]] (coated) forms. It is used as a matting agent, thickener, and filler in many adhesives and coatings. Fumed silica has also been used as a desiccating agent to kill insects. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 08:25, 7 January 2014
Description
A colloidal form of Silica that is a very light, fluffy white powder. Aerosol silica, also called fumed silica, is made by hydrogen-oxygen furnace combustion of silicon tetrachloride. This produces tiny spherical particles of varying sizes. Aerosol silica is available in Hydrophilic and Hydrophobic (coated) forms. It is used as a matting agent, thickener, and filler in many adhesives and coatings. Fumed silica has also been used as a desiccating agent to kill insects.
Synonyms and Related Terms
fumed silica; Aerosil® [Degussa-Huls]; Cab-O-Sil [Cabot]
| CAS | 112945-52-5 |
|---|
Hazards and Safety
Inhalation may cause silicosis; Use dust mask.
Degussa Corp: MSDS
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993