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Rust Prevention Product Testing
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Lee.
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PostPosted: Thu Sep 01, 2005 2:45 pm    Post subject: Rust Prevention Product Testing Reply with quote

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The steel panels were used as pan patches in my ghia for about 6 years, they have been sitting outside now for 4 months. I've been pouring salt water, coke, coffee, etc on them every other day for the past few months. To prep them all I did was wash with soap and water, wire brushed them and then rinsed.

2 coats of each product were used.

Eastwood, Masterseries and Rust Bullet - they all went on very similar, almost like a liquid metal. Eastwood seemed a bit thicker and dried by far the quickest (30 min). My guess is that all of these will end up with similar results.

Por-15 - went on thinnner than the other coatings and took a lot longer to dry (2 hrs). The first coat had a green tint.

Rustoleum - went on like house paint and had zero flow

Jasco - this stuff was strange, it runs $6/quart. it is a clear green liquid that seemed to convert all the rust better than the 2 Por products. Then it formed a clear "coating" over the raw metal. It will be interesting to see what happens with this.

I will probably top coat 1/2 of the panels and then let them sit out all winter in the snow and see which ones fail first.

The Por-15 came in a kit with a degreaser and rust remover. This did an excellent job of getting rid of the rust and prepping the rusty metal although if you go through all the steps there is no rust left and you could probably just use an epoxy primer to seal the metal and it would hold up fine.

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The 4 smaller sections have East,RB,Master & Por over the "properly" prepped metal. I also put the Por directly over the rust with no prep just like the other coatings so everything is equal. The rust colored coating is the Rustoleum and the black/white coating is the Jasco.

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I'm guessing that Masterseries, Rust Bullet and Eastwood's products will have similar results. Rustoleum is crap. I'm really wondering what will happen with the Por-15 and that Jasco. Both of those are quite a bit different.

Let me know if you have any questions or if there are any other products to test (I still have the back sides left)

Lee
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Last edited by Lee. on Wed Sep 10, 2008 1:15 am; edited 8 times in total
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Miguel Arroyo
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PostPosted: Thu Sep 01, 2005 5:41 pm    Post subject: Reply with quote

Woh, that is an excellet idea. I am glad you took the initiative and time to start the test. I cant wait to see the results. This will benefit all of us, thanks.
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DurocShark
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PostPosted: Fri Sep 02, 2005 5:15 am    Post subject: Reply with quote

The Jasco won't last. It'll rust tomorrow. It's made to prep the metal before painting.

I used that stuff on a bunch of old rusty bolts and they came out beautiful. I set them outside so I wouldn't have to smell the chemicals and in a day or two they all had a purdy rust color to them.
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Nessal
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PostPosted: Sat Sep 03, 2005 4:46 pm    Post subject: Reply with quote

I have to agree with you. Rustoleum really is crap.
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Jeremy
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PostPosted: Mon Sep 05, 2005 11:37 pm    Post subject: Reply with quote

lee can you update this like once every week or two??
I'd really like to know what happens in a couple of weeks.
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coW
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PostPosted: Tue Sep 06, 2005 10:45 am    Post subject: Reply with quote

Great idea!
I'm very interested in what you find - thanks!
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55reasons
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PostPosted: Tue Sep 06, 2005 10:57 am    Post subject: Reply with quote

I have used Jasco alot in the past on bare metal tubing. It's an awesome rust converter, but if left out for a long period of time it will allow surface rust to form.

Also, it's highly acidic, will burn your skin, eat through paint, and eat a hole in concrete if you spill it. Pretty nasty stuff, but awesome if you plan on priming and painting over it within the couple day timeframe.
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toddyvol
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PostPosted: Tue Sep 06, 2005 11:00 am    Post subject: Reply with quote

I wish you had included ZeroRust also.

o' well Crying or Very sad
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Bklyn63
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PostPosted: Tue Sep 06, 2005 5:28 pm    Post subject: Reply with quote

prepping is the key...por-15 works well if the metal is prepped correctly.
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Lee.
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PostPosted: Tue Sep 06, 2005 7:53 pm    Post subject: Reply with quote

Bklyn63 wrote:
prepping is the key...por-15 works well if the metal is prepped correctly.


The Por metal conditioner and the Jasco took about 95% of the rust away. I thought the Jasco did a better job (espicially for $6). I'm going to use an acrylic primer on part of the jasco square to see if it will hold up at all.
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74_bug
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PostPosted: Wed Sep 07, 2005 6:59 pm    Post subject: Reply with quote

I think you should have put a top coat of rustoleum black over the primer. Maybe you could do that on the back of one of the pieces.
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Lee.
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PostPosted: Tue Sep 13, 2005 7:15 pm    Post subject: Reply with quote

Well, after the first heavy rain the Jacso and the primered Jasco failed. It's just flaking off. All the other ones are doing fine.

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DurocShark
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PostPosted: Wed Sep 14, 2005 5:12 am    Post subject: Reply with quote

Those results were expected.

A better test IMHO would be Jasco with primer and paint.

But this is kind of interesting to see.. Smile
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Kubel Nick
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PostPosted: Wed Sep 14, 2005 7:12 am    Post subject: Reply with quote

I did a similar test with rust bullet, spray primer, autmotive primer, POR-15 and zinc-rich primer. But I didn't apply the coats fairly so the results wasn't fair. But the Zinc-rich primer was the best overall still, but not everyone has a pwdercoating system in their house. I stuck my test piece underwater for weeks at a time outside. I wanted to redo the test but ran out of POR-15 and not planning on buying anymore of that (but it did hold up really good but just costs 2x as much as the others and 3x as much hassle applying it).

That being said, I'm interested in the results of this also.
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Lee.
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PostPosted: Mon Oct 03, 2005 2:50 pm    Post subject: Reply with quote

A tiny bit of rust is starting to show on every coating only along the edges of the 2 panels

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Campy
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PostPosted: Tue Oct 04, 2005 11:50 am    Post subject: Reply with quote

I've usually put epoxy primer on the inside of new bus panels before I installed them and weldable primer in areas that were going to be welded.
One brand of a zinc-rich paint you should test is Eagle's "super galv" in an aerosol can. That paint has all kinds of uses. I would like to see if it would be good enough to use on the inside of sealed panels such as rockers.
A paint I've had good luck with for things such as cooling tin, shift levers, and steering columns is Plasti-kotes 500 degree paint, no primer needed. You might want to try that on clean, prepared sheet metal.
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cdreike
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PostPosted: Thu Oct 06, 2005 11:08 am    Post subject: Picklex Reply with quote

You should Picklex a try. I have a stripped and treated door that has been sitting in my garage for 3 years. Absolutely no rust has appeared. Granted, the conditions are fairly benign. No direct contact with water, but I live a mile from the beach and the wind is on shore most of the time. Often the cars outside have some salt on them. I have painted over the picklex on my bus and the paint sticks just fine.

Chris
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Guyzoun
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PostPosted: Sun Oct 09, 2005 6:04 am    Post subject: Reply with quote

This is a very interesting test. Excellent initiative !!!!

I have to follow this discussion/test as in Canada, we always have to face rust battle.

Regards,
Guy
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Miguel Arroyo
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PostPosted: Sun Oct 09, 2005 6:17 am    Post subject: Reply with quote

Guyzoun wrote:
This is a very interesting test. Excellent initiative !!!!

I have to follow this discussion/test as in Canada, we always have to face rust battle.

Regards,
Guy


Yes it is. I am scared for my car! The rust is attacking it! Shocked
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Jowlz
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PostPosted: Sun Oct 09, 2005 10:48 am    Post subject: Reply with quote

Great test Smile There is a similar test for wax somewhere on the net and I think both are a great idea.

Have you considered spraying the panels with salt water? I'd be interested in seeing that.

Thanks.
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