Sika® FerroGard®-903

Sika® FerroGard®-903 is a surface applied bipolar corrosion inhibitor, designed for use as an impregnation of steel reinforced concrete. It is designed to penetrate the surface and then to diffuse in vapor or liquid form to the steel reinforcing bars embedded in the concrete. Protection with Sika® FerroGard®-903 both delays the start of corrosion and reduces the corrosion rate. Corrosion protection with Sika® FerroGard®-903 increases the service and maintenance life cycles by up to 15 years when used as part of a complete Sika® Concrete Repair and Protection System. How it works Sika® FerroGard®-903 is based on organic and inorganic inhibitors that protects both the anodic and cathodic parts of the corrosion cell. This dual action effect dramatically delays the initiation of corrosion and greatly reduces the overall corrosion activity. Sika® FerroGard®-903 penetrates the concrete and forms a protective monomolecular layer on the surface of the reinforcing steel. This barrier inhibits corrosion of the steel caused by the presence of chlorides as well as by carbonation of concrete.