White Vinegar
It is very effective as a rust remover as the rust simply reacts with the vinegar and dissolves. If the item you are removing rust from is small enough to be submerged in a bath of white vinegar, simply leave it in there for a few hours and then wipe off the paste like substance that forms.
WD-40 can help remove rust from metals like iron, chrome, and stainless steel without further damaging the surface of the metal or removing the paint. The Multi-Use Product is great for loosening and removing excessive surface rust.
Coca-Cola is carbonated, which allows it to dissolve with metal oxides and break up rust on a variety of metals and alloys. Phosphoric acid also gives it rust-busting power, while citric acid makes it an effective stain remover.
To remove light rust, leave parts in the solution for 1-3 hours. To remove heavy rust, leave parts in the rust removal solution overnight.
Does toothpaste remove rust? Toothpaste can remove rust stains, but not rust itself. Apply a small amount to fabric and rub with a damp cloth, rinse, then wash as normal.
But there's one stain that bleach can't handle: rust. In fact, if you use bleach to treat a rust stain, your “cleaner” is going to make the stain significantly worse! The main ingredient in common bleach—sodium hypochlorite—is an oxidizing agent.
White vinegar.
The acetic acid in this common household product is acidic enough to dissolve rust. You can soak smaller things like earrings, wipe it onto a surface with an old cloth, or just pour it directly over rust spots or bolts and screws that have rusted together.
Hydrochloric acid (which is also called muriatic acid in its diluted form), as well as phosphoric acid and sulfuric acid may be used in rust removal formulas using strong acids. These are mineral acids, and they are highly corrosive, especially in concentrated forms.
Baking Soda (Bicarbonate of Soda) The rusted item can either be dusted with baking soda or made into a paste with water or vinegar. Apply to the areas and leave for an hour or so then clean off with a brush.
Pour in the vinegar so that it covers the whole piece of metal. Let the metal soak in it for approximately 15 minutes. Pour out the vinegar and you should see the metal begin to react a little bit with the air once it starts to dry, it's beginning to oxidise!
INSTRUCTIONS FOR METHOD TWO | REMOVING RUST STAINS
1. Mix a solution of warm water with 1/4 teaspoon of WASHING-UP LIQUID in a cup. Apply it directly onto the stain and leave for five minutes - in this time the detergent's surfactants will assist in lifting the rust particles.
Remove Rust and Polish Metals
If you want to remove rust easy and fast make thick paste of salt, water and a few drops of freshly squeezed lemon juice. Apply on the affected area and let it dry. Scrub off the rust and salt mixture and polish the metal with dry cloth.
Lemon juice can help lighten rust stains with its natural bleaching action. Pour lemon juice into a bowl and add two teaspoons of salt. Dip a clean white cloth into the lemon and salt solution and dab the stain to get the surface of the stain loose.
Baking soda works well on items with light rust stains. It also works well on items made out of thin metal, like knives. To use this method, simply mix enough water into baking soda until you are able to form a thick paste.
To remove rust from small objects, soak them in a bowl of white vinegar for up to 24 hours. When dealing with larger objects, pour a layer of vinegar over the rust and then add a layer of salt, or dip aluminum foil in vinegar and use it like a brush to scrub off the rust.
A brass wire brush can clean rust off almost any type of metal. For iron and carbon steel tools and surfaces, you can use a carbon steel wire brush. On the other hand, stainless steel wire brushes work well on aluminum, copper, brass, and stainless steel surfaces.
WD-40 Specialist® Rust Remover Soak quickly dissolves rust from metal and restores surfaces to bare metal without scraping, chipping or scrubbing. This product will allow you remove rust from multiple tools and parts all at once.
OK, this may make you think twice about what beer can do to your insides, but it can loosen rust from hardware, bolts or metal surfaces. Just apply some brew to the item and wait a few minutes. The carbonation will begin to break down the rust so you can turn that bolt or wipe the rust away.