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Fumed Silica Powder

406 Colloidal Silica Powder

406 Colloidal Silica is a thickening agent for polyurethanes rubbers for brush on moulds. This Fumed Colloidal Silica can be used to thicken resins for Mother moulds by adding varying amounts. Commonly known as Cabosil or Aerosil.

From $15.61 ex GST