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Rust Converter #4784353 06/11/18 08:16 PM
Joined: Jul 2009
Posts: 217
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CCI Offline OP
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Anyone have any good or bad experience withthe products that are designed to be applied to rusted metal to stop the progress of the corrosion?

Rust Converter #4784357 06/11/18 08:18 PM
Joined: Jul 2009
Posts: 217
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Anyone have any good or bad experience with the products that are designed to be applied to rusted metal to stop the progress of the corrosion?

This is for a motorcycle that was left sitting outside too long.

Re: Rust Converter [Re: CCI] #4784369 06/11/18 08:33 PM
Joined: Jun 2018
Posts: 83
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Gixxer46 Offline
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POR15! Then top coat it with another rust paint as POR15 is UV sensitive.

Iíve had great luck with this on the undercarriage of my truck.


2013 Ram 1500 with a 4.7.

I use 0W-20 year round. I alternate between RP and Amsoil Signature series.
Re: Rust Converter [Re: CCI] #4784383 06/11/18 08:50 PM
Joined: Sep 2004
Posts: 8,538
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andyd Online Content
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Sorta, I was fixing a flat on my oldest 2 wheel cart. The rim was getting very rusty, I had an old spray can of Rustoleum Rust Reformer. It had lost its fizz. Can was maybe 20 yrs old. I poured it out of a hole and painted the rim inside What spilled on the outside looks good. If I could score some on sale, I would paint both wheels.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Rust Converter [Re: CCI] #4784394 06/11/18 09:09 PM
Joined: Jan 2017
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maxdustington Offline
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Yeah: Ospho

I live in Canada, I have figured out how to destroy rust (without immersion):

1. Sandblast to get the scale off.
2. Acid to remove the rust from inside the pits + etch so that paint will stick.


97 GMC RCLB K2500LD L30/4L60
99 Toyota Tercel CE 5EFE/C151
Re: Rust Converter [Re: CCI] #4784426 06/11/18 09:43 PM
Joined: Apr 2012
Posts: 364
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researcher Offline
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each post has a different recommendation.. Ok, I'll throw mine in. Eastwood's rust encapsulator. I've used that and it's not bad, their converter gets mixed reviews. I has stopped the rust I have on my project Civic car.

eastwood.com look for rust encapsulator. I had tried SEM products version of this type of thing and it needed precise temp/humidity to work. Sure the only time we get that humid and hot is august! So I went with eastwood and it worked no matter what humidity level, but above I think 55 or 60degrees ambient temps.

Re: Rust Converter [Re: Gixxer46] #4784521 06/12/18 04:51 AM
Joined: Dec 2017
Posts: 2,950
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JLTD Online Shocked
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Originally Posted By: Gixxer46
POR15! Then top coat it with another rust paint as POR15 is UV sensitive.

Iíve had great luck with this on the undercarriage of my truck.


Doesn't the POR15 use a chemical process to change the rust to some sort of polymer? I recall using this or something similar years ago, turned the rust black and stopped it...


I use the overseas manual to choose my viscosity.

Using AMSOIL

Hers: 2008 Jeep Liberty 154k, SS 5w30/Amsoil

His: 2015 4Runner 60k, SS 5w20/Amsoil

Re: Rust Converter [Re: JLTD] #4784523 06/12/18 05:01 AM
Joined: Jan 2013
Posts: 410
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NGRhodes Offline
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Originally Posted By: JLTD
Originally Posted By: Gixxer46
POR15! Then top coat it with another rust paint as POR15 is UV sensitive.

Iíve had great luck with this on the undercarriage of my truck.


Doesn't the POR15 use a chemical process to change the rust to some sort of polymer? I recall using this or something similar years ago, turned the rust black and stopped it...


https://en.wikipedia.org/wiki/Phosphoric_acid#Rust_removal

Re: Rust Converter [Re: CCI] #4784525 06/12/18 05:04 AM
Joined: Jan 2011
Posts: 3,400
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Lubener Offline
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I have always used Ospho.


The "thinking" man's friend.
Re: Rust Converter [Re: CCI] #4784604 06/12/18 06:40 AM
Joined: Nov 2006
Posts: 22,596
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Trav Offline
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I have used literally dozens of them over the years and they all have one thing in common, they all suck Por 15 included.
Needle scaler or stiff wire wheel/brush and wet the part with $1 a gallon 5% vinegar. Wrap the part (if possible) with old newspaper and wire wrap it to hold it in place and soak it down with the vinegar.

Let it sit a few hours and remove, wire brush or scrub pad it down with water and baking soda, fresh water rinse and dry.
paint with self etching primer, the spray can works fine. Topcoat and rust proof.


ASE L1, Master. Deutsch Meisterbrief.
Re: Rust Converter [Re: Trav] #4784649 06/12/18 07:22 AM
Joined: Apr 2014
Posts: 1,566
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Delta Offline
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Originally Posted By: Trav
I have used literally dozens of them over the years and they all have one thing in common, they all suck Por 15 included.
Needle scaler or stiff wire wheel/brush and wet the part with $1 a gallon 5% vinegar. Wrap the part (if possible) with old newspaper and wire wrap it to hold it in place and soak it down with the vinegar.

Let it sit a few hours and remove, wire brush or scrub pad it down with water and baking soda, fresh water rinse and dry.
paint with self etching primer, the spray can works fine. Topcoat and rust proof.



Hmm, glad you posted this! Was planning on doing some rust remediation on the truck when I have the bed off for fuel pump replacement. What kind of topcoat or rust proofing would you go with? I was going to wire wheel with my grinder everything and do something like POR15. But maybe not now.


'17 VW GTI 2.0T - 6MT - 18K - Edge 0w40
'15 Camry SE - 2.5 - 25K - PP 0w20
'09 Tacoma TRD Offroad 4x4 - 4.0 - 135K - Edge 0w40
Re: Rust Converter [Re: Delta] #4784693 06/12/18 08:18 AM
Joined: Nov 2006
Posts: 22,596
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Trav Offline
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You need a thick layer of newspaper to hold a good bit of the vinegar so it doesn't dry out too fast, wrap it good and give it a good soaking after you wire wheel it.
You must neutralize the acid with baking soda and water with a fresh water rinse once its reasonably clean then dry it.

Prime with self etching primer, rattle cans work okay but I like a 2 part epoxy with a spray gun if possible.
Once is clean, dry and primed use chip guard on it. NAPA has good stuff in rattle cans cheap enough, the part # for black is MS 4004. If its clean and dry and primed this stuff will hang in there forever, it is hard to remove and really resist rocks and stone damage.

Coat it well with a couple of coats and let it dry. Once its dry cover that with 3M 03584 rubberized undercoating, let it dry well overnight before reassembly. It wont rust even in the salt belt, care of application is everything.


ASE L1, Master. Deutsch Meisterbrief.
Re: Rust Converter [Re: CCI] #4784711 06/12/18 08:31 AM
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Posts: 584
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thescreensavers Offline
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For fixing rust on my Jeep, first I cut out most I could once you have through rust it needs to be cut. For surface rust/pitting I wire wheeled and flapper wheeled where I could and used Rustoleum Rust Dissolver Spray/Gel which is Phosphoric Acid. Let that sit and use a brass brush to scrub it in. Then I used a wet towel to get the product off then used rustoleum roll on paint, Rusty Metal Primer + Paint. The Paint is very durable and cheap.

Before and After
https://imgur.com/a/QRj1Ykg

Last edited by thescreensavers; 06/12/18 08:36 AM.

2017 Camaro SS 1LE (Motul 8100 X-clean 5W40)
1997 Jeep XJ 4x4 (15W40 HDEO Maxlife)
Re: Rust Converter [Re: CCI] #4784723 06/12/18 08:45 AM
Joined: Mar 2004
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Donald Offline
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Loctite Extend is supposed to be a converter and paint. Its pretty good. Others use something like naval jelly to convert, then use POR-15 or Eastwood Rust Encapsulator as a covering to block any oxygen from getting to the surface. You cannot sand POR-15 or Eastwood Rust Encapsulator but can paint over them. If you can dip the item then there are other products.

Sand or sandblast and paint with self etching primer is another method.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
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