Important Notice Thank you for your interest in silica products. The information you are seeking is now available on other websites. For information on the products previously described on this site, please follow the links given below and delete any bookmarks you may have to http://www.dupont.com/silica/. If you are interested in: ParticlearTM silica-based flocculant for water treatment, go to: http://www.dupont.com/particlear/ Syton® or Mazin® colloidal silica for precision wafer polishing, planarization, electronics, and more, go to: http://www.nanoslurry.com Ludox® colloidal silica for coatings, catalyst binding, metal casting, and more, go to: http://www.gracedavison.com/products/ludox/overview.htm