What it is

• Naval jelly is basically a gel solution that has been infused with phosphoric acid. The gel form makes it functional for removing set-in rust stains, and it retains the properties of phosphoric acid.
  
  

How it works

• When placed on a rust stain, the phosphoric acid interacts with the iron oxide in rust. The interaction transforms it into iron phosphate, a substance that can be easily removed.
  
  

How to use

• The Loctite products Website for naval jelly states that you can simply brush the gel on, watch the rust dissolve and rinse it off.
  
  

Benefits

• Using naval jelly to remove rust can extend the life of mechanical parts. Removing rust and making regular repairs can make machines last years longer.
  
  

Dangers

• As with all chemical products, be sure to wear protective clothing such as gloves and goggles when using naval jelly to decrease the risk of injury from exposure.