Flash Rust Inhibitor | Discover METAL GUARD Flash Rust & Corrosion Inhibitor - Guardian Chemicals

METAL GUARD Flash Rust Inhibitor 

You’ve just finished preparing various metallic components for paint and then you notice it—flash rust!


METAL GUARD is a 100% active inorganic corrosion inhibitor in powder form. It is designed to prevent flash rusting of exposed metal components. METAL GUARD is safe for use on all metallic surfaces. It contains a unique blend of corrosion inhibitors to effectively protect ferrous metals.


METAL GUARD is ideal for use in any application where components may be exposed to flash rusting including various cleaning and paint removal processes. It is also suitable for application as a vehicle rust inhibitor through manual or automatic wash equipment.



  • Effectively prevents flash rusting.
  • Simple to use and apply.
  • Formulated with a proprietary blend of corrosion inhibitors designed to protect all metallic components.
  • Effective protection of ferrous and non-ferrous metals, including yellow metals.
  • 100% active powder. Economical for cost effective dilutions.
  • Easily tested and maintained.