Fumed Silica
ALTERNATIVE NAMES
Pyrogenic Silica
TECHNICAL SPECIFICATIONS
CAS
112945-52-5
EC
601-084-9
Fumed silica (SiO₂) is a high-purity amorphous powder produced by flame hydrolysis of silicon tetrachloride. It offers extremely fine particle size and large surface area.
Fumed Silica
Used as a rheology modifier, anti-caking agent, and reinforcing filler in coatings, sealants, and elastomers. Also applied in pharmaceuticals for flow improvement.
Inhalable dust may cause respiratory irritation; use local exhaust ventilation and respiratory protection.
Delivered in 10–20 kg PE-lined bags. Store sealed, dry, and away from moisture to prevent agglomeration.
