Fumed Silica

Pyrogenic Silica

CAS
112945-52-5
EC
601-084-9
Sectors
Coatings, Adhesives, Sealants & Elastomers, Rubber & Elastomers

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.

SoleChem, an ISO 9001:2015 certified chemical supplier based in Türkiye, delivers Fumed Silica (CAS 112945-52-5) to customers in more than 40 countries.

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Fumed Silica

Applications

Used as a rheology modifier, anti-caking agent, and reinforcing filler in coatings, sealants, and elastomers. Also applied in pharmaceuticals for flow improvement.

Safety & Risks

Inhalable dust may cause respiratory irritation; use local exhaust ventilation and respiratory protection.

Packaging

Delivered in 10–20 kg PE-lined bags. Store sealed, dry, and away from moisture to prevent agglomeration.