We are all familiar with rust, that powdery-to-flaky brownish-red substance which eventually appears on most metal objects exposed to the elements. Rust is formed as a byproduct of a chemical reaction ...

Types of Rust Removers Chemical rust removers use acid, solvents, or sodium hydrosulfite to dissolve rust off hard surfaces. Depending on the active ingredient, they can be very hazardous: Acid-based ...