How to Use a Rust Converter on Car

Preparing a car for a rust converter is essential. It guarantees the rust converter works correctly and makes the car simpler to work on. Before applying a rust converter, you must clean it to be free of dirt, oil, or grease. Also, use a rust inhibitor and sandpaper to make sure the surface is rust-free.


Let’s see in more detail the steps needed to get your car ready for rust converter:

  1. Clean the car to be free of dirt, oil, or grease.
  2. Use a rust inhibitor and sandpaper to make sure the surface is rust-free.

Clean the area with a degreaser

Before rust conversion on a car, it’s essential to guarantee the area is clean. Start by scouring the rusty area with steel wool or other abrasive. This helps remove any loose rust or dirt. Then, use a degreaser to thoroughly clean the area. Depending on the product, you may have to rinse off the degreaser with water. When the area is dry and clean, you can apply the rust converter.

Sand, the area to be treated

Preparation is essential when applying a rust converter to your vehicle. Beforehand, use a damp cloth or mild detergent and a stiff bristle brush to clean the area. Then dry it completely; the rust converter must adhere directly to the rust.

Sand down the affected area with P180-grade sandpaper. Take care to remove only the loose rust particles, not any paint – this would damage your car’s finish.

Smooth sharp edges with medium-grade steel wool and clean one last time with a damp cloth. Now you’re ready to apply your rust converter!

Wipe down the area with a damp cloth

Before starting the rust conversion process, clean the area with a damp cloth. Take your time and remove any extra dirt, dust, and rust particles. This will help the rust converter work correctly and efficiently.

If need be, use a brush or sandpaper to get rid of any loose rust particles in crevices. Make sure all paint flakes are cleared before applying the anti-rust product.

Applying the Rust Converter

Rust Converter is great for shielding steel from rust and corrosion. It turns rust on metal into a barrier that lasts for ages. To put it on a car, there are specific steps to take. Here’s how to apply the rust converter to a car, step-by-step:

  1. Clean the area with a wire brush and wipe it down with a damp cloth.
  2. Apply the rust converter with a brush, making sure to cover the entire area.
  3. Allow the rust converter to dry for 24 hours.
  4. Apply a second coat if necessary.
  5. Paint the area with an oil-based paint of your choice.

Read the instructions on the rust converter product

When using rust converters, be sure to read the manufacturer’s instructions. Some need pre-treatment, and others don’t. Some products include a primer surface. It’s best to do a trial area first.

  1. Apply the rust converter with even strokes, and let it penetrate the affected area.
  2. Wipe it clean with a lint-free cloth.
  3. Then wipe the work area with a wax and grease remover.
  4. Finally, apply paint or other sealants if needed.

Apply the rust converter with a brush or roller

Once you’ve scoured the surface with abrasive paper and degreaser, it’s time to apply a rust converter. Start on one side and blend up. Overlap each stroke by 1/4 inch. If you spot any drip marks, blend them in with a coating of a rust converter.

Keep a wet edge when applying. Work quickly as it starts to dry. Mix multiple batches if you need to cover a large area. Use a brush or roller, whatever you prefer. Rinse out brushes or rollers after use, don’t let them dry on their own.

Keep the work area clean. If dust or dirt gets on the surface, wipe them away with a damp cloth before they set. Let the rust converter dry completely. Then add protection like sealants or primers.

Finishing Up

Congrats! You did it. Your car’s rust is gone, thanks to the rust converter. Now, to wrap it up. The last step is crucial. Here are the things to do for a flawless finish:

  1. Check your car to make sure there’s no rust left.
  2. Apply the rust converter.
  3. Make sure your car looks and works perfectly.

Allow the rust converter to dry

Apply the rust converter to your car and let it dry. This could take 1 hour up to a day, depending on the size of the application and the humidity. As it dries, you should notice the color change. That shows the protective layer is forming. Once the drying is done, your car can be used as normal.

If you want, you can use a primer for extra protection against moisture. More layers will increase protection but not reduce the drying time.

Apply a primer and paint to the treated area

Thoroughly rinse the area and let it dry. Then, apply rust-inhibiting primer and paint over the spot that was treated with the rust converter. Do not use just primer or paint. Make sure all edges of the painted area are covered. For maximum protection, use automotive-grade topcoat enamel to finish. Allow plenty of drying time between each coat of primer and paint.

For the best outcome, paint in a temperature-controlled area, like indoors. Moisture in the air can make the protective finish not dry and cure correctly. Depending on the brand/type, some primers may need to be baked on. Most don’t require it as long as you let it cure at room temperature for more than 48 hours after the final coat of topcoat enamel is on.

Clean up any excess rust converter with a damp cloth

Once the rust converter has dried, any excess should be wiped off with a damp cloth or paper towel. Be sure to get into all nooks and crannies and remove any buildup. If any product remains, use a mild detergent solution suitable for automotive surfaces. Never use abrasives or solvents, as these can damage your car’s paint job.

Lastly, protect the surface with an automotive wax or topical sealant. This will keep your car looking great and will help prevent future rusting issues.

Frequently Asked Questions

What is a rust converter?

A rust converter is a product designed to convert rust into a protective coating. It works by chemically converting iron oxide (rust) into ferric oxide, a stable form of iron that can be painted over.

How do you use a rust converter on a car?

To use a rust converter on a car, first make sure the surface is clean and free of dirt, debris, and any other contaminants. Then, apply the rust converter to the affected area, making sure to cover all rust spots. Allow the converter to dry for up to 24 hours, then sand the area and prime it before painting with a rust-proof primer and paint.

How long does a rust converter take to work?

The rust converter usually takes up to 24 hours to dry. It is important to allow the rust converter to fully dry before sanding and priming the area.