Fumed Silica

Fumed silica products are used around the world to meet challenging performance requirements. Due to their unique particle characteristics, our fumed silicas provide superior performance benefits for many types of applications


Molar Weight60
Melting Point1,600° C
Boiling Point2,230° C
Density2.3-4.5 g/cc
FormsPowder, White

Uses and Applications

Key applications

  • Printing & Inks
  • Suspension agent
  • Food additive
  • Adhesives and Sealants
  • Personal care
  • Grease
  • Building & Construction products
  • Paint and Coatings
  • Primers, fillers and undercoats
  • Rubber


  • Pharma
  • Coatings & Construction
  • Polymers
  • Cosmetics
  • Food
  • Animal Nutrition
  • Agrobusiness
  • Rubber

Synonyms: Pyrogenic silica, Fumed Silica Dispersion, Hydrophilic Fumed Silica Dispersion

Chemical Formula: SiO2+4HCL

CAS Number: 112945-52-5