Aerosil 200 (Fumed Silica)
10 lb. Bag

Aerosil 200 (Fumed Silica)

  • Availability: Ships within 2 business days
  • Description: Aerosil 200 is a hydrophilic, lightweight, fumed silica used as a thickener for polyester and epoxy resins, gel coats, adhesives, and sealants. It is effective for thickening resins and glues. Helps prevent sagging on vertical and overhead surfaces.
  • Size: 10 lb. Bag | 1 lb. Box


  • Paints and coatings 
  • Unsaturated polyester resins
  • Laminating resins 
  • Gel coats 
  • HTV- and RTV-2K-silicone rubber 
  • Adhesives and sealants 
  • Cable compounds and cable gels


  • Rheology and thixotropy control of liquid systems, binders, polymers, etc.
  • Used as an anti­settling, thickening, and anti­sagging agent.
  • Reinforcement of HTV­ and RTV­2K silicone rubber.
  • Improvement of free flow and anticaking characteristics of powders.
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