9 Best Rust Converter For Truck Frame Review 2022 To Buy Online

best rust converter for truck frame

Do you ever face an accumulation of rust and corrosion on truck frames? Then you must know how annoying it could be. So, we’ve compiled a list of the best rust converter for truck frames.

Rust is a chemical that forms when metal reacts with water and oxygen. Rust may seem simple to people who are not getting affected. But rust, once incurred, starts growing day by day and will eat away the metal.

If you notice rust on your truck frame, you should worry. The first thing that comes to your mind is whether it is safe to drive with a rusted frame. No, it isn’t safe to drive with a rusted frame. Rust is a form of corrosion that eats away metal slowly and turns metal into powder. That means you can’t let rust grow on your truck frame once you notice.

Unfortunately, you can’t quickly get rid of rust once it starts forming. However, it is possible to stop the rust with rust converters and removers. A rust converter is a solution you can apply directly to the rusted parts.

The rust converter prevents oxidation after the application. And makes rust disappear. Also, a rust converter protects your truck frame from future rust accumulation.

So, if your truck frame is suffering due to rust, we’re here to help. Down here, we’ve covered a list of the 9 best rust converters for truck frames you can consider.

Top Pick The Best Rust Preventative or Converter For Truck Frame

Rust is to metal what termites are to wood. Once the metal has rusted away, it is gone. When a car is being repaired, the mechanic will replace rusty pieces with fresh new sheet metal. However, most of you do not intend to restore our vehicles completely.

You need to stop the rust before it eats away at any more auto parts. And it would be a bonus if you could restore some of the rusted metal’s integrity, perhaps even making it paintable. Here is a list of some of the proven best rust converters for truck frames.

ImageProductFeaturesPrice
1
best rust preventative or converter for truck frame
Corroseal water-based rust converter

– Water-based
– Latex primer included
– Non-flammable
– Used for a wide range of applications

2
proven best rust converter for truck frame
VHT SP229 rust converter

– Smooth even finish
– Works great on metal, fiberglass, and body fillers
– Prevents future rusting
– The spray makes it easier to use

3
best rust converter sprays for truck frame
POR-15 metal prepping rust converter

– Preventive coating included
– Water-based & non-flammable
– Great as a base for other POR-15 products
– Even results after rinsing

Our Pick4
best rust converter for car frames
Evapo-Rust The Original Super Safe Rust Remover

– Biodegradable, non-toxic product
– You can remove the water-based converter with water and soap
– Safe on the skin – no fumes, acids, VOCs, etc.
– No special equipment is required when using it.

What are the different types of rust converters?

Before we move onto the list of rust converters, it is crucial to understand what a rust converter is. A rust converter is a chemical solution to remove rust or corrosion from truck frames in layman’s terms.

As you all know, rust forms whenever a metal reacts with water and oxygen. And when you apply the rust converter on the surface, it removes the rust and protects the metal frame.

Moreover, there are different types of rust converters present in the market. And before you purchase, you must know the composition of the converters.

Therefore, we’ve explained the types of rust converters depending on the manufacturing material. So, keep reading to understand different kinds of rust converters.

1. Tannin based

Many companies use tannin acid as a compound for making rust converters. And these rust converters are mainly water-based. You need to make a solution with water whenever you want to use the converter.

The chemical compound will react with rust when you apply the tannin-based converter and form a bluish solution. Besides, the solution will make a protective layer on the surface to prevent future rusting.

2. Phosphoric acid-based

Phosphoric acid plays a vital role in rust eradication. Phosphoric acid is helpful in rust removal, rust conversion, and rust inhibition. However, you have to apply the phosphoric acid-based converters in sufficient amounts to get the peak benefit.

Moreover, phosphoric acid-based converters are very effective. These rust converters form a water-proof layer on the rusted surface.

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The water-insoluble layer ( iron sulfate ) helps in preventing any future rusting. Thereby you can keep your truck frame safe for a longer time.

3. Lignin based

Lignin-based converters are probably the least famous and least used. Yet, these rust converters protect your truck frame like any other rust converter.

Lignin-based rust converters are a compound solution of aromatic alcohol. Moreover, these rust converters consist of hydroxyl, a reactive agent, which makes them an effective rust converter.

Therefore, lignin-based rust converters modify the iron oxides and make your truck frame rust-free.

4. Tannin and Phosphoric acid solution-based

Tannin and Phosphoric acid solution are among the best rust converters for truck frames. The combination of tannin and phosphoric acid offers the best rust removal properties. These rust converters form two compounds when reacting with rust—iron tonnes and iron phosphates.

Moreover, these two compounds are very effective in terms of rust removal. Besides, the rust converter forms a water-resistant layer on rusted areas to prevent future rust accumulation.

What are the 5 aspects to look for in a rust converter?

Buying a rust converter for a truck frame can be a plunging task. But we’re helping ease your journey of finding the best rust converter for the truck body. However, you need to consider some aspects before purchasing rust converters.

Because selecting a suitable rust converter is crucial for you and your truck. In contrast, rust converters consist of highly flammable toxins, and also these toxins can harm your skin. So, it is better to go for a rust converter with low toxins levels.

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Moreover, a high-quality rust converter should be eco-friendly, easy to apply, and remain on the frame surface in harsh conditions. So, we’ve discussed some aspects you should consider before making a purchase.

– Application method

The application method is the first thing you should know about a rust converter. Most rust converters come in a liquid form. And as you all know, the liquid is very easy to apply; you can either brush or spray it on the affected frame area.

However, some converters are water-based. They require making a solution with water before applying. Also, you need to make sure that the solution may not be too thin; otherwise, it would drip off the frame while using. 

So, the choice is all yours, which type of application method you prefer.

– Durability

Durability is another factor you should keep in mind. The best rust converter for truck frames is the one that offers you long-lasting results. Some converters deliver excellent protection that ensures the rust doesn’t accumulate again.

You can go through the customer reviews to learn more about the product. The reviews can inform about the durability or longevity of the products.

– Toxin’s concentration

Toxin concentration is significant to look for in rust converters. Converters with high levels of toxins tend to be highly flammable. And these toxins are also very harmful to human skin.

It will be wise to buy a rust converter with a lower level of toxins. A low level of toxins ensures your and the environment’s safety at the same time. It’s also crucial to know how to dispose-off or clean up the toxins.

– Cleaning

How will you manage the cleaning if the converter you’re using is not cleanable? This question should ring a bell before you choose any specific rust converter.

Applying the rust converter can be a messy process sometimes. After the application, you need to clean off the mess once you’re done. Also, some of the high-quality rust converters only require soap and water to clean up.

Therefore, you need to ensure that the product you choose is easily cleanable.

– Drying period

Companies suggest users leave the rust converter for at least 24 hours for drying. However, converters take different times to completely dry.

Furthermore, some rust converters take 2 to 3 days to completely dry, whereas some take a few hours. But that is fine; it depends on whether you have days or hours to complete the drying process.

Also, it’s up to you whether you want to paint the rusted area or not after using the converter. Choosing the best rust converter for the truck bodies will save you time and increase efficiency. 

List of The 9 Best Rust Converters For Truck Frames Review in 2022

Rusting on your car’s body can seriously compromise the structural integrity of your truck. Once it begins to eat away at the metal sheet, it’s only a matter of time before you have to replace the entire frame.

However, this is not always the best option, especially if your budget does not allow for such a project. The suitable rust converter will help you get your frame back in shape, but it will also keep your budget in check.

If you’ve been driving your vehicle for a while, this is a must-have piece of equipment that will help you halt rust in its tracks. Check out the best rust preventative or converter for truck frames we’ve selected below!

1. Corroseal Water-Based Rust Converter

best rust preventative or converter for truck frame
  • Brand: Corroseal
  • Style: Liquid
  • Size: 1 gallon
  • Color: Black
  • Water-based
  • Latex primer included
  • Non-flammable
  • Used for a wide range of applications

Corroseal provides you with many industrial-strength products. Corroseal also offers a rust converter to extend the life of metal surfaces and prevent rust and corrosion. Corroseal emerges as one of the proven best rust converters for truck frames.

The primer is affordable and also very easy to apply. This rust converter consists of environmentally-friendly ingredients. One gallon of this rust converter can cover 200 square feet of a surface and eliminate the need to sandblast the rust.

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Corroseal converters come with a thin profile, and you can apply them effectively with a brush. When you use it, this rust converter turns into a milky color and later comes back to a standard color.

If you go through the user reviews, you will notice that this is one of the best rust converters for truck frames. You need to scrape off the rust before applying this rust converter for better results.

Pros

  • Convenient application with multiple options (brush, spray, roll)
  • Strong protective coating
  • It dries even if applied correctly
  • Good consistency (thin coat)

Cons

  • It can be patchy if applied incorrectly
  • You can’t use it on freshly galvanized surfaces

2. Rust-Oleum Automotive Rust Reformer Spray

best rust converter for truck body
  • Brand: Rust-Oleum
  • Style: Liquid
  • Size: 8 Ounce
  • Color: Black
  • Rust converter and primer
  • It prevents further rust formation
  • It doesn’t require rust sanding
  • Can be sprayed

Rust-Oleum is one of the proven best rust converters for truck frames. You can apply this converter by spraying, brushing, or rolling at any angle. Truck frames are usually tough to reach, but it is easy with this rust converter as you can spray it anywhere.

You should clean the surface or remove the rust bits for the product to work effectively. After applying the converter, it will take about 20 minutes until the rust disappears and leaves a smooth surface.

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Drying depends on the surface, and this converter can take up to 3 days. This product is also efficient for peeling rust. You can also use the body fillers to fix holes in the truck frame.

Moreover, the converter turns black after drying. You can also use the product on various surfaces, including those exposed to harsh weather conditions.

Pros

  • Very resistant to harsh conditions
  • It gets through thick layers of rust
  • It helps the topcoat bond
  • It covers a large area

Cons

  • If applied in high humidity, the results can be unsatisfactory
  • Can dry slowly (up to three days)

3. VHT SP229 Rust Converter

proven best rust converter for truck frame
  • Brand: VHT
  • Style: Spraying liquid
  • Size: 10.25 Ounce
  • Color: Black
  • Smooth even finish
  • Works great on metal, fiberglass, and body fillers
  • Prevents future rusting
  • The spray makes it easier to use

Rust converter by VHT is very user-friendly. This means you just need to apply the product to rusty areas. And when you apply the converter, the solution color turns transparent, but over time it turns black.

VHT formulated this converter to protect the truck frame from any future rusting. You can sand or paint the converter once it is fully dry. So, it makes this product ideal for vehicle use, like if you use the converter on wheel wells or truck frames.

This converter is compatible with many materials when it comes to versatility. You can apply this converter on fiberglass, metal frame, or body filler. Also, this product is very cost-effective in comparison to other rust converters on this list. It is not quite common for any rust converter to be this lower-priced. Generally, the rust remover cost is as low as this rust converter. However, the converter still has the benefits of rust converters.

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Moreover, the VHT rust converter is very easy to use. And it comes in spray form. So, if you’re finding a liquid rust converter, this might not be on top of your list.

Also, it’s worth noting that this rust converter has more toxic compounds when compared to other options on this list. But this rust converter still comes out as one of the best rust converter sprays for truck frames.

Pros

  • This product is easy to use
  • This product is affordable
  • You can use it on body filler and fiberglass.
  • It only turns black on rusted areas.

Cons

  • It takes a long time to dry
  • It comes comparatively smaller can

4. POR-15 Metal Prepping Rust Converter

best rust converter sprays for truck frame
  • Brand: POR-15
  • Style: Water-based liquid
  • Size: 1 Gallon
  • Color: Black
  • Preventive coating included
  • Water-based & non-flammable
  • Great as a base for other POR-15 products
  • Even results after rinsing

POR-15 metal prepping rust converter is one of the best rust converters for truck bodies. Yet, the outcome is fully dependent on how you will use the converter. You need to prep the surface before you apply this rust converter. This rust converter cleans the rusty part within minutes of applying. Moreover, it does not require hours of scrubbing to remove the rust.

Firstly, you need to apply the converter on rust. After that, you should let it sink into the truck frame’s surface. Lastly, rinse the area thoroughly with water.

Due to its water-based nature, it rinses quickly, so you don’t have to sandblast the surface. However, this rust converter might work differently on different materials. Like mild steel and cast iron, it might react and require extra effort to clean the rust.

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Moreover, you have to paint the application area for expected results. And you require paint from the manufacturer. You will receive the best results possible after pairing both products.

However, anyhow if you face a problem while applying the converter. POR-15 provides detailed documentation you can read about the procedure.

Pros

  • Easy to apply and wipe off
  • It works great when combined with other POR-15 products
  • Short action time ~20 minutes
  • It cleans even the flaky rust particles that are usually left behind

Cons

  • It might come off patchy in areas that are covered in thick rust
  • It leaves a white residue behind

5. FDC Professional Grade Rust Converter

best rust converter primer
  • Brand: FDC
  • Style: Liquid
  • Size: 1 Gallon
  • Color: Black
  • It works as a rust remover and a protection coat
  • It doesn’t involve sandblasting or grinding
  • 1 gallon can cover up to 500 sq
  • Can convert tough layers of rust

You can remove the layer of rust and turn it into a dark coat. Also, the FDC rust converter protects your truck frames from future rusting. It contains tannin and phosphoric acid to sink through thick layers of rust.

You can consider this rust converter one of the proven best rust converters for truck frames. It is due to the given chemical composition. You can use this product for truck frames, machinery, and other car parts. Moreover, you can paint the surface after applying the rust converter. But you also have to clean the rust before applying the paint. FDC rust converter acts as a primer coat which lets you paint the surface afterward.

Furthermore, you have to clean the surface with a wire brush or sandpaper before applying. Also, clean the grease with soap and water because it may lead to inconsistent results after applying it on greasy surfaces.

However, you should shake the converter before applying it. You can use it by spraying, brushing, or rolling as per your choice. This process will not take more than 20 minutes to give the best result possible.

Moreover, the outcome will be a black non-porous coat. You can apply another coat to get an extra layer of protection from future rust or corrosion.

Pros

  • Easy application and removal
  • It contains tannic acid and phosphoric acid to go through thicker layers of rust
  • It acts as a good primer for all surfaces
  • It can be used for cleaning and protecting rust holes before applying body filler

Cons

  • It needs to be applied in warm temperature conditions (e.g., heated garage)
  • Requires a top coat to prevent further rust apparition

6. Evapo-Rust The Original Super Safe Rust Remover

best rust converter for car frames
  • Brand: Evapo-Rust
  • Style: Water-based liquid
  • Size: 1 Gallon
  • Color: Black
  • Biodegradable, non-toxic product
  • You can remove the water-based converter with water and soap
  • Safe on the skin – no fumes, acids, VOCs, etc.
  • No special equipment is required when using it.

Evapo-Rust is the ideal rust converter product for clients who desire a non-toxic and environmentally safe product. It has some distinguishing features that make it an appealing option for specific customers.

The product’s safety cannot be stressed. The water-based composition of this rust converter is non-toxic, non-flammable, environmentally friendly, and biodegradable. Users may use Evapo-Rust on cookware and cutlery without fear of long-term damage.

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Moreover, this safe mixture will not deform or harm any plastic, rubber, or painted parts. This is handy for saving items for later use. However, most rust converters only work once, but you can use this converter several times. Evapo-Rust has certain drawbacks in addition to its many advantages. It is unnecessary to scour the metal surface to remove rust, but the damaged substrate must be prepared with this remover.

The rust remover does not prevent pieces from future corrosion. Therefore if not protected, the item will rust again. Furthermore, this remover works best when the rusty object is submerged in the solution, making it unsuitable for bigger jobs.

Pros

  • Environmentally friendly product
  • You don’t need to scrub the surface – the product cleans it by soaking
  • No fumes or bad smells
  • Mild on the skin

Cons

  • Sticky finish
  • Requires further treatment to preserve the results

7. MROChem Black Rust Converter

best rust converter for truck frame 2023
  • Brand: MROChem
  • Style: Liquid
  • Size: 1 Gallon
  • Color: Black
  • Polymer resin coat finish
  • Protective coat – prevents rust formation
  • It acts as a primer
  • Spray-on application
  • Black finish

MROChem’s tier-one solution eliminates rust rapidly after a single application. The finish is a black polymer resin finish. The solution requires little surface preparation, requiring only a hard brushing to remove debris and flaky rust fragments.

Preparing the surface with water and soap may also assist. Allow the surface to dry fully before applying a thick coat of this rust converter on top.

Let it sit for 20-30 minutes or until you notice the surface turning black, and you’ll get an outcome quickly. The product serves as a primer, protective layer, and cleaning agent all at once, so you don’t have to purchase multiple products for one task.

Paint is the best way to prevent rust, especially if the item is exposed to harsh weather conditions or harmful agents. And this rust converter is one of the best rust preventative converters for truck frames.

Pros

  • Easy to apply – spray-on application
  • Dissolves AND prevents rust
  • Requires minimum surface preparation
  • Confers a very smooth finish

Cons

  • High cost
  • Requires re-coating for preserving results

8. Ospho Metal Treatment Substance

best rust converter for truck frame review
  • Brand: Ospho
  • Style: Spray Fluid
  • Size: 32 Fluid ounces
  • Color: Transparent
  • No surface prepping is needed for light rust
  • Requires degreasing and dirt removal
  • A small quantity can cover a large surface
  • Easy application

This product is well known for its long-term ability to prevent the appearance of rust. You simply need to clear off any loose rust or paint pieces on the surface before applying this solution and letting it soak for a few minutes.

It does not require cleaning and acts quickly, giving a shiny surface. The orthophosphoric acid and a few other surfaces in the Ospho metal treatment react with rust and dissolve it.

Compared to other similar items on the market, this one is quite inexpensive, yet the effects are equally as effective as with more costly goods.

The quantity is suitable for various surfaces around the house, and the product is simple to use. Simply apply the product following the given instructions, and there you have it — bare metal.

Pros

  • Good price-quality ratio
  • Easy application
  • 45% orthophosphoric acid
  • It helps paint bonds easier

Cons

  • You can only use it on metal surfaces
  • Requires a top coat for best results

9. WD-40 Rust Remover Soak

best rust converter for truck frame
  • Brand: WD-40
  • Style: Liquid
  • Size: 1 Gallon
  • Color: Black
  • Great for dissolving rust
  • It acts as a protective coat
  • Non-toxic ingredients
  • Best for auto-restoration purposes

WD-40 rust removal soaks help reduce rust while also assisting with old-part repairs. It no longer needs to be scrapped or chipped off to remove this substance, which results in the surface being damaged.

The product is also non-toxic, so you may use it without fear of causing skin or eye harm. Although its primary aim is to help people repair vehicle parts, its exceptional penetration level also makes it suitable for industrial chores.

This rust remover is part of WD-40’s product line that prevents rust on metal surfaces. It helps to clean and protect metal surfaces. Also, we recognize this rust converter as the best rust preventative or converter for truck frames.

Mix this product with another product, such as a primer or topcoat, to achieve sustained results. WD-40 removes heavy layers of rust quite slowly, but once the solution has done its job, the results are quite spectacular.

Pros

  • Dissolves heavy rust
  • Mild on the skin and eyes
  • No scrapping is required after treating the surface
  • Minimum surface prepping required

Cons

  • Requires deep soaking
  • You should combine it with other products for maximum efficiency

Top FAQs About Rust Converter Spray For Truck Frame

How does rust spread on cars and trucks?

Rust is oxidized metal resulting from a gradual chemical process that degrades metal. It happens when bare metal is exposed to water, salts, and oxygen in the environment, including humidity in the air.

If the factory paint is cracked or bubbling or bare metal is visible, rust may form and spread swiftly if left untreated.

What is the difference between a rust remover and a rust converter?

Rust converters convert iron oxide into ferric phosphate by chemically penetrating the rust. Paint does not adhere to phosphate coatings, and most rust converters are also painting primers.

Secondly, rust removers are chemicals that will eat away at the rust when left to sit for a set amount of time. This method of rust removal takes longer and requires an extra primer to seal the metal after the treatment is complete. Without resealing, the chemical process that causes rust will continue.

How do I get surface rust off of my car?

Cleaning the afflicted area with a wire brush or sandpaper to remove larger-scale particles is usually the first step in rust removal. You want to get rid of as many loose particles as possible. Make sure you solely eliminate rust.

Digging into the metal might result in more damage, after removing the rust, thoroughly clean and dry the surface before applying a rust converter or primer.

How can I prevent my car from rusting?

Maintaining the paint with frequent wax or ceramic coating treatments will extend the life of your vehicle’s surface and prevent corrosion.

Try to avoid salt-covered roads and wash the vehicle’s underside before rust cleaning. Treat any surface rust right away to stop it from spreading and becoming a significant problem.

What happens if you paint over rust? Will painting over rust stop it?

No. The rust will spread beneath the paint if you paint directly over it without removing it or using a rust converter.

Use an acidic rust remover or a rust converter to chemically convert rust to a paintable surface before painting over problem areas. Prime it first for the best results.

Final Thoughts

A high-quality rust converter will be the right option for rust that is progressively eating your vehicle frame. It helps restore the metal’s integrity and leaves a wonderful coating that you can easily paint over to bring your truck back in shape.

While various rust converters are on the market, we’ve covered the proven best rust converter for truck frames. These companies provide credible solutions that give amazing results and provide long-term solutions.

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