Does Naval Jelly Stop Rust?

Naval Jelly claims to remove rust or bonded rust from iron, steel, and other metals. You can apply it by brushing it on with a paintbrush. And when you do so, does naval jelly stop rust? Does it provide you with a way to permanently stop rust and protect surfaces from further rust formation?

Yes, Naval Jelly stops rust in metals. It contains phosphoric acid, the active ingredient that works on rust. It derives its consistency from xanthan gum, making it feel like jelly. When applied to a rusted item, naval jelly converts the rust to a soluble iron compound.

In addition, Naval Jelly is the perfect product for removing rust. It is specially formulated to do the job right. If your metal object is rusty, you can use Naval Jelly to remove the rust and leave a fresh metal surface ready for painting or other finishing.

Please take note that Naval Jelly does not stop rust from coming back if the metal gets scratched or damaged down to bare metal again.

Furthermore, before you paint that metal, it is advisable to apply naval jelly to remove the rust. Painting an item with rust on it does not do any good at all.

How to Use Naval Jelly to Remove Rust from an Item?

The manufacturer’s recommended way of using naval jelly is to:

How to Use Naval Jelly to Remove Rust from an Item

  • Apply the rust remover on the rusted metal using a brush. Pay close attention to hidden areas and crevices. If you omit these parts, they can spread rust to other parts of the metal.
  • Let the rust remover sit on the rusted item. How long you leave the rust remover on the metal depends on how rusted it is. If the rust is light or medium, you can let it sit for 5 to 10 minutes. However, with heavy rust, you can leave it for 15 minutes.
  • Rinse the item with water to take off the product. After rinsing, check the metal if the cleaning was thorough. If there are still traces of rust left on the iron, repeat the entire process until you get a thorough cleaning.
  • Prime the metal and paint it no later than 24 hours after derusting it with naval jelly. This is to ensure that the metal remains de-rusted. Naval Jelly will only remove the rust from the item but cannot permanently prevent the item from corrosion.

Another way to use naval jelly is to spray it on the rusted item. Spray it on every part of the metal, taking note of grievances and hidden corners, and let it sit for some minutes depending on the extent of the rust. When you have achieved maximum cleansing, rinse off the rust remover from the item and get it primed and painted.

Why Is Naval Jelly Fit for Removing Rust from Metals?

Why Is Naval Jelly Fit for Removing Rust from Metals

  • The most important thing about naval jelly is what it is made to do. It converts rust to iron compound, which is easy to wash from the metal using water. It is safe to use. Unlike other rust-removing agents that may corrode the metal further, naval jelly removes the rust without harming the metal.
  • Naval Jelly has been around for many years. Never jelly has been in use for over 40 years. Within these years, it has garnered an impressive reputation for itself. The product is highly recommended as one of the best rust removers of all time.
  • Naval Jelly is suitable for use on a variety of metal surfaces. It works for steel, iron, and other metals. You can use it for your appliances at home or for vehicle parts. It is suitable for use in your bicycle and work tools. If you have several items collecting rust, the naval jelly will work for all of them.
  • Naval jelly is created to handle heavy rust. If you have a number of heavily rusted items and have defied all the rust-removing solutions, naval jelly becomes a smart option.
  • Naval Jelly works fast. After applying naval jelly to the rusted item, depending on the level of rust, within 5 to 10 minutes, the item will be clean of every rust.
  • You can apply naval jelly in diverse ways. You can apply it by brushing it on the rusted item. You can also apply it by spraying it on the rusted item.

Tips for Using Naval Jelly

To get the best naval jelly, you have to use it correctly. Here are some tips to guide you as you use this product:

Tips for Using Naval Jelly

  • Adhere to the manufacturer’s instructions. The manufacturer has useful information on using naval jelly and getting the best from it. Without following the manufacturer’s instructions, you might not get the best from this product and end up wasting your money. The manufacturer’s instructions contain the right quantity to use. If you do not use up to the required quantity, you may not get the rust from the metal entirely. And if you paint the metal, it is just a matter of time before it shows rust. If you use more than is required, the excess phosphoric acid and sulphuric acid will corrode the metal.
  • Ensure to use this rust remover at the recommended temperatures, which are 50 to 90 degrees Fahrenheit, that is, 10 to 32 degrees Celsius.
  • When using this rust remover, ensure to protect yourself against the liquid in case it splashes. Although it is not so aggressive as to hurt you while using it, it can be dangerous if it splashes into your eyes or gets to other sensitive parts of your skin.
  • When applying this rust remover to the rusted metal, ensure that it gets to the hidden areas and crevices of the metal. If you omit these small places, rust will start from there and creep into other parts of the metal. If the rust remover in an area is not enough, ensure to repeat that area to get maximum effect.


Naval jelly is effective for removing rust from metals. Its major component, phosphoric acid, converts rust to iron compounds that can be rinsed off with water. After derusting an item with naval jelly, it is advisable to paint it in a few hours to avoid rust from forming again.

Evan Cooper

Evan Cooper

Hi, I’m Evan Cooper, the founder and an editor of this site, Doesitrust. I’m a chemical engineer and working in a rust-eliminating paint manufacturing company. Besides this profession, I’m a researcher and blogger.

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