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Eastwood Black Rust Encapsulator Kit is rated 4.6 out of 5 by 15.
Rated 5 out of 5 by from After my first use of this product, I now keep a quart stocked at all times I've tried a lot of ways of dealing with rust. And while it isn't a silver bullet, I now put rust encapsulator on every part I take off of my vehicles that I intend to put back on. This only applies to items which are rusty and usually under carriage or inner body panels. If I make sure that all loose rust, grease, etc. has been cleaned off, this stuff forms a very tough coating that stands on its own. I typically then cover it with the satin chassis black, but it's not necessary. Since my first use of this product, I now keep a quart around at all times.
Date published: 2013-12-02
Rated 5 out of 5 by from Good products; quart requires thorough mixing As with similar products, the quart can requires thorough mixing prior to use. (You need a "paint shaker" to do the job correctly. Stirring with a paint stick simply won't do it.) The spray goes on thinner and covers those areas the brush won't reach. All in all, both products are essential to a good restoration.
Date published: 2010-05-05
Rated 5 out of 5 by from Using Rust Encapsulator As Primer With Filler Back in 2000, I used Rust Encapsulator as the base primer for a complete restoration of a Toyota FJ-60. It never showed signs of rusting when I sold the vehicle in late 2003. I have had similar success when using it on farm implements. June of 2013, I redid body work performed as an insurance job on my Silverado. The plastic filler was cracking and peeling in several spots. I sanded, ground, and pulled dented surfaces (stud welder). Plastic filler was still needed. I applied Rust Encapsulator over the bare metal. After drying, I scuffed the primed surfaces, then applied plastic filler. The process was repeated to take care of high and low spots. Then Rust Encapsulator was used to cover the entire repair area. The plastic filler is sandwiched between applications of RE. It is now mid winter 2014, and there are absolutely no signs of cracking or bulging filler, and there is no rust. For me, this has proven to be a great treatment that acts to bolster the effectiveness of my DIY body and paint work. Additionally, when thoroughly dry, RE is a very, very tough paint. It is quite resistant to rock chips.
Date published: 2014-01-29
Rated 5 out of 5 by from a very good product the only issue I have is the fact that you sell the kit in two different glosses....flat black and matte black ....this doesn't make sense and neither does the fact that you offer matte black in spray cans and gallons but not in quarts...why?
Date published: 2014-07-15
Rated 5 out of 5 by from Great Product I recently painted my frame with this product it looks great. Eastwood is easy to deal with and stands behind their product. Hands down the best company Ive dealt with.
Date published: 2014-09-24
Rated 5 out of 5 by from Great product for addressing surface rust Used this after the cleaning and prep of a rust surface. Put this on after using the rust converting product and so far the work looks good.
Date published: 2014-07-12
Rated 5 out of 5 by from good stuff I've used this product more than once right now I'm using it on a 74 blazer project. Knock off the loose rust clean the surface and apply product...definitely recommend it
Date published: 2015-02-02
Rated 3 out of 5 by from Easy application, Poor Penetration I applied 11 cans of this to my 96 Buick Wagon. First I power wire brushed the rust flakes off the frame and rocker panels. Product was very easy to apply and covers nicely. However, there appears to be little or no penetration through the rust that did not come off with the wire brush. Result is many bare spots after 6 months.
Date published: 2015-05-06
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What is the ideal pressure to apply this when spraying? HVLP and Siphon. I understand thin 20% and use a 1.4 tip. Can't seem to locate a product data sheet. I have MSDS. 

Asked by: DD1971
Almost all paints, including this one, can be sprayed through a gravity fed gun at 25-30 PSI with the trigger pulled.
Answered by: S Church
Date published: 2016-04-15

can i use it inside the water jacket of my block?

Asked by: Larry motordude
This would not be recommended to be used in a water jacket of an engine.
Answered by: S Church
Date published: 2016-03-31

Can Rust Encapsulator be applied over bondo?

Asked by: ZH67
It will not harm the filler if you get some on the surface while spraying an adjacent rust spot, but it should not be purposely applied to filler in large areas. Covering fillers should be left to a catalyzed urethane primer.
Answered by: MikeL
Date published: 2016-01-15

Can I get Red Rust Encapsulator by the quart?

Asked by: Marriner
Currently the red Encapsulator is only available in a spray can.
Answered by: S Church
Date published: 2015-07-09

I just started using the rust encapsulator on my project. The frame is mostly clean metal with some pits and surface rust. Can I use this on the entire frame with no issues,and can I recoat later as I am doing it in sections without problems.

Asked by: Chevynova
The rust Encapsulator can be used on the entire frame if you like whether it is rusty spots or bare metal. As for recoating that would be fine to do at a later date, just scuff the surface with a red scuff pad and wipe down with a pre painting solvent prior to putting on another coat.
Answered by: S Church
Date published: 2015-07-08

Can this be used on bare, non-rusted metal?

Asked by: TireDood
It can go on over bare metal with no issues, but if you have no rust present at all it's better to use a direct-to-metal primer like self-etching or epoxy primer.
Answered by: MikeL
Date published: 2015-02-18

Can encapsulator be painted over with rust-oleum farm& implement paint

Asked by: Lee Roy
Being that we do not carry rustoleum, you would need to try a small area for yourself to see if there is any sort of reaction .
Answered by: SeanA
Date published: 2015-01-19

Dos it stick on plastic its for my amphibious ATV

Asked by: Chico
Yes, you would need to scuff the surface with a red scotch bright, clean it and apply.
Answered by: SeanA
Date published: 2014-12-18
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Eastwood Black Rust Encapsulator Kit

Item #51639ZP Brand: Eastwood

Encapsulates rust and prevents spreading; leave as is, or top-coat


Stop rust in its tracks! Our 2-Pc. Rust Encapsulator Kit has been reformulated with TWICE the corrosion resistance!

  • 16-oz. aerosol (covers about 10 sq. ft.) plus 1-quart can (covers about 50 sq. ft.)
  • Twice the corrosion resistance of our original formula for greater durability (tested to 500 hours in a salt-spray chamber)
  • Epoxy-fortified for better adhesion and topcoat compatibility
  • Penetrates deeper to prevent rust from spreading or forming, even in hard-to-reach areas
  • Cures faster, and the low-VOC formula is acceptable in California
  • As seen on "My Classic Car" TV show

You thought it was good before...wait ’til you try this Rust Encapsulator! It seals and stops rust and corrosion from spreading, but it performs even better than our original formula. Tested against well-known brands, the Eastwood Rust Encapsulator has proven to be superior in sunlight resistance, preventing rust creep, and overall durability.

More info...

About Eastwood Black Rust Encapsulator Kit

Eastwood Rust Encapsulator has been tested by an independent lab to be one of the most effective rust-preventive products yet. Rust Encapsulator is a great primer for floor pans and other under-body parts. It fills tiny pin-holes and surface irregularities, and is compatible with lacquer, enamel and urethane topcoats (including Eastwood Chassis Black). For the absolute ultimate rust remedy, first brush or spray-on Eastwood Rust Converter, then prime with Rust Encapsulator. Contains no isocyanates. Heat-resistant up to 400 degrees F. Made in the USA.


16060Z Rust Encapsulator Black, Aerosol
16065ZP Rust Encapsulator Black, Quart


In places where little or no surface prep can be done, our Heavy-Duty Anti-Rust (16017ZP) is actually a better choice for applying into blind areas such as box sections.


Use a wire brush to remove loose rust, scale and paint, and remove dust, grease and oil deposits. Feather surrounding paint with 220-grit sandpaper. Brush-apply directly from the can, thin 20% with lacquer thinner to spray, or use the aerosol. A single coat dries to the touch in 20 minutes, and is thoroughly dry in 3-4 hours at 68 degrees F. For greater durability, a second coat can be applied 1 hour after the first. Allow 6-8 hours after the last coat before applying topcoat. Use over or under body fillers.


(Q) Can Rust Encapsulator be applied with the Undercoating System?
(A) Technically, yes, but this application isn't recommended because Rust Encapsulator requires surface to be free of grease, oil, and loose rust. The best product to coat inside box sections is the Heavy-Duty Anti-Rust (16017ZP). This waxy, oily product flows into pinch welds and through rust to seal surfaces from contact with moisture and air, but cannot be painted over, so it's only suitable for inside box sections that don't show. Use lacquer thinner for cleanup.

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