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PlastiKote 623 Rust Converter, 8 oz.

4.7 out of 5 stars 36 customer reviews
| 6 answered questions

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  • Organically converts rust to an iron hard, paintable surface
  • Causes no bubbling or foaming
  • Non-toxic, nonflammable, environmentally safe formula contains no hazardous chemicals
  • Will not cause bleed-through staining of subsequent top coat paints

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Frequently Bought Together

  • PlastiKote 623 Rust Converter, 8 oz.
  • +
  • KTI (KTI-70550) Sanding Pen
Total price: $17.91
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Product Information

Technical Details

Brand PlastiKote
Item Weight 10.1 ounces
Product Dimensions 7 x 1.9 x 1.8 inches
Item model number 623
Manufacturer Part Number 623

Additional Information

ASIN B000CPI0QY
Customer Reviews
4.7 out of 5 stars 36 customer reviews

4.7 out of 5 stars
Best Sellers Rank #35,751 in Automotive (See top 100)
#42 in Automotive > Car Care > Finishing > Corrosion & Rust Inhibitors
#318 in Home Improvement > Painting Supplies & Wall Treatments > Paint, Stain & Solvents > Spray Paint
#1,827 in Automotive > Oils & Fluids
Shipping Weight 5.6 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available October 9, 2010

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Product Description

Plasti-Kote's Rust Converter organically converts rust to an iron hard, paintable surface, with no bubbling or foaming. This non-toxic, nonflammable, environmentally safe formula contains no hazardous chemicals and will not cause bleed-through staining of subsequent top coat paints.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By sara on September 12, 2014
Verified Purchase
It did exactly what I hoped. Where I work there is a lawn service that comes by and when they mow they seem to have absolutely no respect for the cars that are parked because the debris is shot out directly at the cars. That's how I got a chip in my paint which started to show signs of rust. After using this the rust turned black and there hasn't been any signs of rust spreading.
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Verified Purchase
Love, love, love this product. It changes a dusty, rusty surface to a nicely sealed one. I haven't tried it on very rough rust yet, but will. I don't use it as a base for painting, as I'm delighted with the results all by itself. It deepens all the mottled colors as if wet, then dries hard. Goes on slightly cloudy, but dries clear.
Remember to always use from a second container, and do not pour contaminated excess back in. It will harden! Rust itself is the catalyst.
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Verified Purchase
I used this product to treat rust on the front and rear bumpers of my 10 year-old truck, which spent a few years in the snow and salt up north. It seems very similar to a rust converter I've used from Gempler's in the past, which is a good thing. As the product states, once you clean the surface by removing any flakes or loose dust (I use a paint scraper and then wash the surface), you apply this and it forms a hard, black coating that can then be primed and painted. In my experience with older cars, it can really slow down the rust spots and make the car look nicer, though it's best if you can get to all the rust (which isn't always possible given trim, etc.) I think I spent less than $30 total on this plus primer, paint, and fine sandpaper, and the truck looks great.

One warning: when I was done I had a bit left over in the plastic cup I was using, so I decided to treat some rusty areas inside the wheel well. In doing so, some dripped onto the concrete from the brush (which at that point had dirt, rust, and converter on it) and left much more noticeable shiny blackish stains on the concrete than I expected. I don't care, but others might want to keep that in mind depending on the application.
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Verified Purchase
I have an older van and live in the midwest where we salt the roads all winter long. I purchased this to help with the rust problems on the van. I was little skeptical in the beggining before I used the product. This does just what it says. It has turned the rust from a problem to a solution, and it has helped stop the rust from becoming a bigger problem.
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Verified Purchase
I followed the directions and it has done what it says it will. Takes a full 24 hrs for it to work after two initial coats (an hr in between). It turned the rust into a black epoxy/paint looking material I have since painted over. I used it on the bottom of my jeep doors to stop the little but of rust that had started on the drip edge. We shall see how well it hold up over time.
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Verified Purchase
It does exactly as it says and converts the rust to a hard black material. I took care of a rust spot on my car by first sanding it with coarse sand paper to remove some of the rust (you can't remove all of it or else this product has nothing to "convert") I put a little bit of the PlastiKote in a plastic cup and used a cheap paint brush to paint the rust.
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Verified Purchase
Does not work as advertised. Bought this to use on some surface rust on the front fenders of our Jeep Grand Cherokee and followed the directions for use exactly as printed. Primed, painted, and clear coated the fenders with multiple coats and within weeks the rust came through and is showing again. I would never recommend this to anyone.
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Verified Purchase
This is my first time using the product. It applied well and looks really nice. I used it on the bottom of my car doors (which were beginning to rust). It will be interesting to see how it holds up through the upcoming winters.
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