Best Rust Converters of 2023

best rust converters

Last Updated on February 17, 2022

Our editors independently research the best products online to produce this list. We may receive commission on purchases made from the links below but this will never affect our product choices.

Top 8 Best Rust Converters

  1. JENOLITE Original (Editor’s Choice)
  2. Nigrin 74032 (Luxury Choice)
  3. Hammerite 5092820 (Best Value)
  4. Aquasteel 2-in-1
  5. Rust-Oleum Reformer Black (Best Spray On)
  6. Neutrarust Primer
  7. Liqui Moly

The best rust converter UK consumers can buy can significantly improve the lifespan of various metal products, from cars to gates. These chemical solutions can be applied directly to iron surfaces to convert rust into a protective shield.

No matter how careful you are with items featuring bare metal, iron oxide can easily lead to significant rust formation and the deterioration of your products. The best rust converters ensure you don’t have to spend hours removing rust or simply replacing crucial items.

Today, we’re going to look at some of the top rust converters you can use to breathe new life into your ferrous metals and metallic surfaces. These products will help to prepare your metal items for painting or simply ensure they can last as long as possible.

How We Compared Rust Converters

To find the right rust converters we considered multiple factors including:

  • Application
  • Reaction Time
  • Suitability
  • Easy to Use
  • Coverage

Our team independently examined and compared hundreds of products to help satisfy different needs. We spent our time researching rust converters and consulting customer reviews to ultimately bring you what, in our opinion, are the best options on the market right now.

To find out more about our editorial process, take a look here.

Rust Converter Reviews

JENOLITE Original (Editor’s Choice)

Perfect for people hoping to paint a metal product like a garden fence or gate, the JENOLITE original formula helps to transform a rusty surface quickly. The chemical compound comes in a large bottle, so it’s easy to spread rapidly over your metal items to remove rust.

A quick application of the JENOLITE solution for rust will react with rust to convert it into a stable compound within as little as fifteen minutes. The rust converter resists water vapour, carbon dioxide, oxygen, and bacterial growth, to help protect the treated area for as long as possible. A single coat of this product can even reduce the need for a primer on surfaces you want to paint.

You can repaint the treated metal surface after using JENMOLITE with oil or water-based paint and enjoy protection against corrosion for years at a time.


  • Simple design for easy application to any surface
  • Resists rust, water vapour, and bacterial growth
  • Reactions within 15 minutes to eliminate corrosion fast
  • Suitable for when you want to paint a surface without a primer
  • Multiple sizes available


  • It may not be suitable for sanded steel
  • Can be more difficult to apply than a rust spray

Nigrin 74032 (Luxury Choice)

One of the most reliable rust convertor products on the market, the easy-to-use Nigrin solution can be easily applied to a metal with a brush or rag. The self-activating anti-rust formula will react quickly with steel and iron to eliminate unwanted oxidation after just one coat.

If you want to get your metal looking great again, or prime a product for paint, then Nigrin rust converter is an excellent choice. This product makes fighting rust easy and dries fast to protect against additional rust in the future. The Nigrin liquid converters also work well as a holding primer for finish and putty work.

If you’re looking for a convenient rust converter primer that is tough on oxidation and ideal for long-term protection, the Nigrin liquid could be ideal for you.


  • Quick performance with a thick coating
  • Prevents the formation of new rust in the future
  • Acts as a primer for putty and finishing work
  • Reliable self-activating performance
  • Suitable for use on cars


  • It may be difficult to follow instructions
  • It may be too easy to waste liquid with a bottle pouring

Hammerite 5092820 (Best Value)

Offering an extra layer of protection for the metal you want to be painted, the rust converter solution from Hammerite is ready for a top coat after just three hours. This tried and tested solution requires no primer coating or undercoat underneath the paint to keep your metal products looking great.

One of the most popular products in the rust converters market, the Hammerite Metal Protection and Primary Solution, works quickly and effectively. This easy-to-use product offers an effective barrier against corrosion and salty water. The liquid converts iron oxide into more stable iron complexes to eliminate rust, so it looks as though your rust has completely disappeared.

This product is best suited to small areas of corrosion, as well as stone chips and scratches on your car and other products. The protective layer also prevents future rust.


  • Offers great protection against future rust
  • Suitable for car use and car brakes
  • Ideal for smaller areas of rust
  • Quick and easy performance
  • Great for prepping a product for painting


  • May not remove larger areas of rust
  • Can be difficult to follow instructions

Aquasteel 2-in-1

A convenient primer and rust converter in one, the Aquasteel formula has a special control system for preventing corrosion, bacterial growth, and future damage to your metal products. This easy-to-use solution has been tested for salt spray protection, so it can also be used on yachts and boats too.

This rust converter and primer from Aquasteel can be applied using a spray or brush, depending on your needs. The product can be used in doorways, hinges, car wheels, gates, and countless other products. You don’t need to prep the metal you want to treat with a wire brush before application either, so it’s easy to get the job done fast.

The Aquasteel rust inhibitor is ideal for small areas with its intelligent formula from Bayer wood technologies.


  • Remove rust and protect metal in one
  • Converts iron oxide into iron complexes quickly
  • Suitable for use with a paint topcoat
  • Tested for car and boat use
  • Can be sprayed or applied via a brush coating


  • It may not be applicable for larger areas of rush
  • It can be difficult to follow instructions for beginners

Rust-Oleum Reformer Black (Best Spray On)

If you want the best protection for your metal products which you can spray onto a surface in no time, the Rustoleum rust reformer may be the product for you. Whether you apply one or two coats, this rust converter can be sprayed directly onto rusted metal without the need for sanding or brushing with a wire brush.

Unlike other treatments, the Rustoleum spray rust product is one of the easiest to apply, as it can be simply sprayed onto areas of oxidation. The converters from Rustoleum do their magic in no time, simply shake the can and apply the spray around 30 cm away from the rust to get the best coverage.

The touch-dry time for this rust remover product is around 20 minutes, but it won’t be fully driven for around 24 hours. If you’re looking for a spray-on rust converter, this could be one of the most convenient options for the best protection of your iron and steel products.


  • Quick touch-dry performance
  • Easy-to-use aerosol solution
  • Provides a protective layer against future rust
  • Can immediately convert rust in minutes
  • For interior or exterior use


  • It may require multiple coats to remove rust completely
  • It might not remove all the rust from large areas

Neutrarust Primer

The best rust converters work by transforming the rust on your metal into stable compounds. You can easily prime your product for painting and revival with a good rust converter while removing the rust. This is the case with the Nuetrarus primer and rust removal product.

One of the best rust converters on the market if you’re looking for excellent coverage, this convenient product can easily coat a large surface of up to 12 square metres per square litre. You can brush the coating onto the surface of your choosing to protect it against oxygen, moisture, and bacteria.

As a rust converter primer solution, the Neutrarust rust converter is suitable for use instead of a primer when you want to paint cars, sea-going vessels, or even oil rigs.


  • Great coverage for large areas prone to rust
  • Easy to apply directly onto rust
  • Resists oxygen, water and future corrosion
  • Suitable for use as a primer and rust converter
  • Especially suited to protect against salt spray


  • It may cause allergic reactions, so wear gloves
  • Tannic acid may be difficult to apply for beginners

Liqui Moly

Promising a quick and straightforward way to convert the rust on your car, boat, gate, and hinges, the Liqui Moly rust converter is an easy-to-use and reliable product. This aerosol item can be sprayed directly onto rust to prepare an item for painting and transformation.

Designed to rapidly get rid of rust and give you the surface you need for quick painting, Liqui Moly’s rapid rust converter is an award-winning solution for giving new life to metallic products. The substance offers excellent coverage and is great for getting into difficult-to-reach corners. Plus, there’s very little smell too.

Remember, make sure you’re using the right protection for your airways and skin when you’re applying a rust remover using an aerosol.


  • Easy to use with a spray head
  • Convenient for getting into difficult areas
  • Minimal odour
  • Good for long-term rust protection
  • Helps to get rid of small amounts of rust


  • It may be difficult to follow instructions
  • It can be dangerous if not used correctly.


Ready to protect your metal against various forms of oxygen, carbon dioxide, water, and more, this iron tannate product from DINITROL RC900 is an easy-to-use solution for tackling rust. The powerful tannic acid can penetrate deeper than the majority of rust converters to help remove as much rust as possible.

One of the top rust converter products for painted and unpainted products, DINITROL RC900, is a powerful rust converter for cars, boats, and various other products. You can easily paint over the substance after the rust converter does its job. The product dries to form a waxy layer that protects against moisture and rust in the future, making the surface ready to be painted.

This high-performance iron tannate product will transform your metal products into one of the best rust converter solutions on the market.


  • Excellent for removing large amounts of rust
  • Tannic acid cuts through significant rust
  • Free of dangerous products like lead
  • Forms a barrier to protect against future rust
  • Easy to apply rust converter paint


  • It may take a while to dry fully
  • It can be difficult to apply smoothly

Does Rust Converter Actually Work?

A rust converter can really work to give new life to your rusted items. The best rust converters can cut through small amounts of rust and provide a useful primed surface for repainting things like cars and boats. However, as with most things, it’s essential to research your rust converter before purchasing so you know you’ll get the results you need.

What is the Best Rust Converter for Metal?

There are countless options out there to explore, from Bilt Hamber products to proprietary rust converter formulas designed to protect the painted and unpainted side of your metal items. The key to success is making sure you learn as much as you can about each rust converter before spending any money. Keep an eye out for reviews of poor value or thin, milky fluid which doesn’t cut through rust as effectively as it should.

Which is Best, Rust Remover or Rust Converters?

Rust removers simply focus on removing rust with the use of concentrated acids. You may want to stick with liquid and gel rust converters if you’re working on a metal surface that has glass, plastic, or rubber accessories. Although rust removers can work on metals, they can often damage surrounding materials, whereas rust converters do not.

Rust converter products can also be more effective if you’re planning on painting a metal item. The best rust converters get metal products ready for painting by converting rust into a stable compound, then priming the metal.

A mechanic spraying substance to spark plug

What is the Best Rust Converter in The UK?

The best rust converter UK customers can buy will depend on a range of factors, including what you want to accomplish when it comes to removing rust and preparing your item for protection against future oxidation. Make sure to check all the instructions for your rust converter and ensure it’s suitable for your task before you begin the application.

Our favourite rust converter is the JENOLITE original formula, which can quickly and easily eliminate rust from a range of items. This impressive product can also resist various forms of oxygen, carbon dioxide, water, and bacteria.

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