Where Can I Buy Permatex 75448 Rust Treatment, 1 Gallon

Permatex 75448 Rust Treatment, 1 GallonBuy Permatex 75448 Rust Treatment, 1 Gallon

Permatex 75448 Rust Treatment, 1 Gallon Product Description:



  • Easily applied, just brush or spray it on
  • Destroys rust on all automotive applications
  • Within minutes, rust disappears and a durable black polymer coating develops
  • Tough coating serves as an excellent protective primer that you can paint over
  • Specially formulated to be used with body filler and fiberglass

Product Description

Permatex Rust Treatment destroys old rust and prevents new rust in one step. Just brush or spray on and within minutes rust is replaced by a durable black polymer coating, which can be painted and serves as an excellent protective primer. Specially formulated to be used with body filler and fiberglass, this rust treatment can be used in temperatures between 50°F and 90°F (10°C and 32°C) and on surfaces which do not exceed 200°F (93°C). Destroys rust on all automotive applications, trucks, trailers, storage tanks pipes, valves, fences, bulkheads, overheads, decks, hatch covers (topcoat with appropriate marine paint), agricultural equipment, plows, tractors, and snow removal equipment. Not recommended for automotive exterior sheet metal repairs.

Customer Reviews

Most helpful customer reviews

21 of 21 people found the following review helpful.
3not for auto body work
By Tom Metro
If you aren't familiar with this class of rust treatment products, this is a rust converter, not remover. It works by chemically reacting with the oxidized iron and producing a black paint-like surface. In the absence of rust, it just produces some staining. This product does not remove rust, so you need to prepare the surface by first removing loose rust.The product is water based. That means cleanup is fairly easy before it has dried. (I usually apply it with a foam brush, which I then rinse off after.) But this also means that if you apply too much product on horizontal surfaces, the pooled product can actually cause more rust. Additionally, the product directions do warn to let an item fully dry before top coating. And that you can't top coat with water-based paints, unless you use an oil-based primer.This Permatex 81773 version doesn't seem to behave any differently from other brands of rust converters that have the same milky tan appearance. The product page here claims this version is "Body Filler Compatible," but the bottle itself makes no mention of that. More importantly, it says, "NOT RECOMMENDED FOR AUTOMOTIVE EXTERIOR SHEET METAL REPAIRS." (No explanation for why this is the case.) Ummm...that kind of makes the body filler issue irrelevant, as automotive exterior sheet metal is the primary place where you use body filler.I thought maybe Amazon sent the wrong product, but I verified the item number matches.

13 of 13 people found the following review helpful.
5Great for refinishing wrought iron
By Mark Walsh
We have a large wrought iron wine cage/furniture that I rescued from a friend's yard, and which spent a year outside at our house before I decided to clean it up and bring it in. As a result, it was pretty rusty. I took a wire brush to it, scrubbing away all loose rust, then hit it with a pressure washer and let it dry. I then applied this magic Permatex 81773 Rust Treatment. The results were amazing: the rust turned into a deep black shell, effectively turning the old rusty furniture into the nice deep black we wanted. We saw no need for further painting; moved it into the house where it now looks great holding our wine, glasses and plates.I'm not particularly handy and had not worked much with wrought iron (which is probably why it sat in the yard for so long getting rustier). A little Internet searching turned me on to using a "rust converter". Finding several brands on Amazon, this one was most cost effective. And having now used it for one restoration project, it worked exactly as promised.

10 of 10 people found the following review helpful.
4good product
By Willy Lin
I use this for the frame of my SUV, it was little rusty and I want to stop the rust getting worse. I accidentally dripped few drops when apply it to the frame. and after few hours the drops on the driveway became hard and solid plastic like thing, and hard to remove, I feel this will do a good job prevent the rust on the SUV.

See all 16 customer reviews...


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