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406 Colloidal Silica

West System

406 Colloidal Silica

  • from 1295 Incl. GST


406 Colloidal Silica is a thickening agent for epoxies, polyesters, and urethanes. This Fumed Colloidal Silica can be used to thicken resins to the user desire by adding varying amounts. Commonly known as Cabosil or Aerosil.

Colloidal Silica is ideal for making adhesives and putties for gluing wood, fiberglass, stone, concrete, etc. Cures OFF WHITE but can make cured resins much more difficult to sand.



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