

Rust Treatment, 1 Qt Btl, Opaque
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Maria Arciga
> 3 dayGreat product for what I am working on.
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Chuck F
> 3 dayWe used this product in the paper manufacturing industry on rusted/ corroded internal components of process equipment. It reacts with (rust) to form a tough primer coating and cleans up with water. Extend performs well. It’s not “cheap” but worth the money. I had to have some at home so I found some on Amazon. I’m sure that other similar products are available, but I know that this product can withstand the harshest conditions.
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GeoFan
> 3 dayThis coating worked well on a metal roof, to stop rust, seal it, and permit re-painting. Also works to stop rust and seal a dishwasher rack, to prevent further rusting. Update: Two years later, no more rust!
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rj
> 3 dayworks charms on old parts, stops rust, a must have for the workshop. price was within range for my expectation
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Bill Dallas
Greater than one weekarrived on time, Extend works great
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Michael D Lowe
> 3 dayThis is a good product at a reasonable price. Easy to apply and as advertised converts rust to a stable platform that can be painted directly. I had a couple of rust pockets at the lower edge of a pickup truck, after applying this product I was completely comfortable that the rust was stabilized. I applied some Bondo over the area because some metal was missing. A great repair, in which I am confident will last for years.
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Patricia Sam
> 3 dayworks wonders
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Cleo Satterfield
> 3 day5 star product. Price was twice what i could buy it locally.This is why the 3 star rating.
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TheWad
> 3 dayIve used this for years on rusty metal. Especially on cars. Ive tried others but keep going back to this. Got tired of paying ridiculous prices for a tiny bottle. Now I got one big bottle for the price of 2 or3 tiny bottles.
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Grandpa Doug
12-06-2025great product and speedy delivery