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Eastwood Fast Etch Rust Dissolver - 1 Gallon is rated 4.5714 out of 5 by 21.
Rated 5 out of 5 by from starts attacking rust instantly bought gallon of fast etch, put it in a spray bottle and sprayed it over rust on my 1967 mustang and it converts the rust to a darker color and in other areas to black. seals the rust. i used it on an area that had rust removed with evapo rust, then what was left was pits in the chrome where rust was, and i left it like that for awhile then when i received fast etch in the mail, i sprayed some on to the pits of the chrome and i can instantly see it working with small bubbles. i also sprayed it on bare sheet metal and it works good on keeping it from rusting. only bad thing is when sprayed, it smells strong and bad.
Date published: 2015-03-06
Rated 5 out of 5 by from Works great, but beware of spills Fast etch is expense, but it does remove heavy rust. The key to successful rust removal is time in contact with the liquid. I built wooden tanks lined with Fiberglas resin to soak parts. Sometimes for two days. Dry the parts, then wire brush them. Before painting get all of the phosphide film removed or paint won't bond well. Be careful with spills and drips. Place drop clothes, etc. under your work. This stuff is next to impossible to remove from floors if you let it dry very long. Eastwood Tech support suggested the use of acetone as a cleaning agent. It does work, but not without a lot of abrasive scrubbing.
Date published: 2015-01-02
Rated 5 out of 5 by from Roll Cage Paint Preparation I love this product. If you've ever tried wire brushing surface rust from a multipoint cage you've learned quickly that the process is extremely time consuming and tedious. I figured I would try this product hoping it would save me at least a little time. I simply applied the product and let it sit and it removed every trace of rust around the heavy base plates and hard to reach areas where the diagonal bars adjoin to the main hoop. I do not build cars commercially, but I will always keep this product on hand now and in the future. I no longer need my blast cabinet from what I have seen thus far.
Date published: 2015-01-13
Rated 4 out of 5 by from Actually works I own a powder coating company and we now and again have things that start to rust between the time they get blasted and the time we get them to powder coat them. I figured on a whim that this stuff might actually work, so I tried it. It actually does a really good job. Requires a little bit of rubbing, but not much. It also does a fantastic job of stripping the plating off of bolt heads so you can coat them and get the powder to stick properly. Make sure to neutralize it with "Pre" or Acetone before you powder over it.
Date published: 2010-01-11
Rated 5 out of 5 by from eastwood works works great for flash rust. or a rust soak solution. I sprayed a rusted leaf spring an left a heavy white coating/ I guess phosphate coating. which should stop it from spreding until I put replacments on. it work so well on floorboard in which used this than used the rust converter, with rust encapsulater toped off with topcoat I'm pretty sure my rust issue is gone/solved and prevented for long time
Date published: 2015-01-02
Rated 1 out of 5 by from Eastwood Fast Etch Bought a gallon of this to make sure I didn't run out. First application was some rust that was under the gas tank. With tank removed, I sprayed a heavy coating and waited to rinse. After I waited the prescribed time I pressure washed and let dry. Much to my amazement, no difference! Very disappointed. I will try again with another attempt later, and if it improves I will change my rating.
Date published: 2014-12-08
Rated 5 out of 5 by from great stuff! I use fast etch to clean up rusty bolts, nuts and small parts in my restoration work. Just soak them in a container over night and they are usually ready for primer. Don't leave your items for too long or they could become over coated with phosphate. I have tried several other products including the other Eastwood rust dissolver but I have found this product the best for my work.
Date published: 2013-03-16
Rated 4 out of 5 by from I will always have this on hand! I have used it to restore 2 old jeeps, removing, eliminating and preventing rust. I will always have some Fast Etch in my garage on hand. It just stops the rust. Easily sandable and I have learned that if you have major rust, it will encapsulate it, then when you want to remove, hit it with a wire wheel and it comes off all at once, in chunks and not as dust. Works well...
Date published: 2010-01-29
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Eastwood Fast Etch Rust Dissolver - 1 Gallon

Item #19418ZP

Dissolves rust, leaves a protective zinc-phosphate coating...in 1 step
Use in a well-ventilated area.


Fast Etch™ effectively dissolves rust and leaves a protective zinc-phosphate coating...all in 1 time-saving step Just spray, brush, wipe or dip Fast-Etch onto your rusted parts and enjoy the double benefit of rust removal and a protective zinc-phosphate coating.
  • Excellent metal prep for powder coating and painting
  • Non-toxic, non-flammable and reusable
  • 1 gallon treats 200-300 square feet of metal

More info...

About Eastwood Fast Etch Rust Dissolver - 1 Gallon

This specially formulated rust remover is a powerful, rust-fighting liquid created to meet the needs of auto restorers. It reaches even inaccessible areas, quickly dissolving iron oxide completely and leaving a zinc phosphate coating. Fast Etch can be sprayed, brushed, or ussed as a parts dip. It is non-toxic, non-flammable and reusable. This is not a primer. Treated surfaces should be wiped with PRE Painting Prep (10041Z) or thinner before priming and painting.


Contains 128 fluid ounces (1 gal), and covers about 160 square feet.


There is a minimal risk of Hydrogen embrittlement when using this rust remover. Bake de-rusted parts at 400 degrees F. for 3 hours if the minimal amount of hydrogen embrittlement is a concern. This rust remover works as a great alternative to abrasive blasting for rust removal.


10041Z PRE Painting Prep


Our rust remover is a Phosphoric acid solution that leaves behind a corrosion resistant coating. Removes rust in seconds to several hrs. depending on temp and severity of rust. One Gal. treats @ 160 sq ft. Eastwood Fast Etch works faster at 90 deg F than 70 deg F. Fast Etch does not remove paint but may cause discoloring. Remove loose rust & degrease surface with PRE Painting Prep (10041 Z) before using rust remover. After removing rust, wipe down part with PRE Painting Prep (10041 Z) and top coat with Self Etching Primer (16014 Z) Aerosol or (16009 ZP) Quart.

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