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Paint Shop Tech. Talk about paint removers, thinners, primers and application techniques plus related topics. Rust removal, paint substitutes and color matching.

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Rust Converters


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  #1  
Old 01-16-2019, 03:58:59 PM
Dwayne Oxford Dwayne Oxford is offline
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Default Rust Converters

Get Farm Show magazine/paper, someone recommended BlackStar Rust Converter. MSDS says it's glycol ether EB. Stuff's $90 a gallon, Ebay's got glycol ether EB for $39 a gal. Anybody got any experience with it?
Been using 1 Step http://www.interstateproducts.com/'1'step.htm which I like, but their CS dis-recommended for inside gas tank.
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  #2  
Old 01-16-2019, 11:35:44 PM
cobbadog cobbadog is offline
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Default Re: Rust converters

I use a rust converter by a company called Bondall here in
australia.
available at the local
bunnings hardware about AU$10.00/litre. Spray or brush on, leave overnight and hose or use a damp cloth to wipe off the excess. I used it of the checker plate floor of our beavertail truck and it cleaned it up a treat.
I think the active ingredient is 'hypochloric acid' not hydrachloric acid. If it is important I can check the ingredient for you.
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  #3  
Old 01-17-2019, 08:19:11 AM
Dwayne Oxford Dwayne Oxford is offline
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Default Re: Rust converters

Found their MSDS,Phosphoric acid 7664-38-2 10-35 %
Ferrous sulphate 7720-78-7 <10 %
Ingredients
determined not to
be hazardous,
including water.
Like to find one that'll stand ethanol contaminated gasoline.
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  #4  
Old 01-17-2019, 10:47:33 AM
Kirk Taylor Kirk Taylor is offline
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Default Re: Rust converters

Quote:
Originally Posted by Dwayne Oxford View Post
Get Farm Show magazine/paper, someone recommended BlackStar Rust Converter. MSDS says it's glycol ether EB. Stuff's $90 a gallon, Ebay's got glycol ether EB for $39 a gal. Anybody got any experience with it?
Been using 1 Step http://www.interstateproducts.com/'1'step.htm which I like, but their CS dis-recommended for inside gas tank.
Glycol Ether EB, commonly called butylcellosolve, alone will do nothing to protect metal. It's an organic solvent that is used as a diluent and wetting agent to help penetrate modestly porous substances. In other words, it's in the rust converter to help the active ingredients to soak into the rust.
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Old 01-17-2019, 11:26:22 AM
b7100 b7100 is offline
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Default Re: Rust converters

Phosphoric acid seems to be a common ingredient in most rust converters. I have unsed Ospho available in most hardware stores. It does the job. I don't know how it stacks up against other products.
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  #6  
Old 01-18-2019, 09:03:45 AM
Dwayne Oxford Dwayne Oxford is offline
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Default Re: Rust converters

Kirk, here's MSDS??
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  #7  
Old 01-18-2019, 11:03:37 AM
Kirk Taylor Kirk Taylor is offline
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Default Re: Rust converters

Quote:
Originally Posted by Dwayne Oxford View Post
Kirk, here's MSDS??
The rest of the ingredients are non-reportable substances and do not need to be listed on the SDS.
If you look, the percent of that one ingredient is 1 - 5%. What is the remaining 95+%?
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Old 01-18-2019, 11:09:54 AM
uglyblue66 uglyblue66 is offline
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Default Re: Rust converters

Well,I am not very knowledgeable on this stuff but I tried some POR 15 on a T chassis and it did not do much good.Matter of fact the rust bubbled up and if I use the chassis I will have to sandblast it.
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Old 01-18-2019, 09:17:21 PM
Dwayne Oxford Dwayne Oxford is offline
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Default Re: Rust converters

Yep, too secret and pricey for me. I'd try a pint, don't care for aerosol of it.
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Old 01-19-2019, 12:03:16 AM
cobbadog cobbadog is offline
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Default Re: Rust converters

If POR15 did not work it was due to poor preparation. That stuff when used as per instructions works perfectly well.
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  #11  
Old 01-19-2019, 12:52:42 AM
Oldtech Oldtech is offline
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Default Re: Rust converters

I've been using the stuff in a spray can from Canadian tire. Seems to work well.
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  #12  
Old 02-28-2019, 01:51:39 AM
Oldskooltruckn65 Oldskooltruckn65 is offline
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Default Re: Rust converters

Quote:
Originally Posted by uglyblue66 View Post
Well,I am not very knowledgeable on this stuff but I tried some POR 15 on a T chassis and it did not do much good.Matter of fact the rust bubbled up and if I use the chassis I will have to sandblast it.

When I refurbished the brakes & suspension on my Kenworth, I used Chassis Saver. I used a needle scaled on the rougher areas, then a cup brush on a grinder. So far it has held up good, but will fade in the sun. This truck is my bread & butter not a toy hauler, so it’s in the weather. Been running WV to NY this week.
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  #13  
Old 02-28-2019, 01:55:20 AM
Oldskooltruckn65 Oldskooltruckn65 is offline
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Default Re: Rust converters

A link to what I’m speaking of.....

https://www.magnetpaints.com/underbody.asp
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  #14  
Old 02-28-2019, 10:30:40 AM
Dwayne Oxford Dwayne Oxford is offline
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Default Re: Rust converters

Anybody have experience with BILL HIRSCH'S GAS TANK SEALER?

---------- Post added at 08:30:40 AM ---------- Previous post was at 07:54:42 AM ----------

Or Pro-Seal RC-850? [Search domain prosealproducts.com/dynamicdata/productImages/RC-850 MSDS 3.11.pdf] prosealproducts.com/dynamicdata/productImages/RC-850 MSDS 3.11.pdf
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Old 07-02-2019, 04:27:46 PM
PaintChemist PaintChemist is offline
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Default Re: Rust converters

Dwayne,

Kirk was giving you the real deal regarding his take on Glycol Ether and Safety Data Sheet info. The SDS info is not intended to be a list of ingredients for kitchen chemists but a source of useful information in case of a spill or accident. Rust inhibitors are a type of coating compromise. The loosely adherent rust is chemically converted to a more tightly adherent complex of iron phosphates, sulfates and oxides. The best thing by far is to remove the rust in the first place back to clean sound metal and go from there. No manufacturer will recommend using a rust converter for the inside of a fuel tank. There are no good shortcuts in the paint world. Sorry. Rob
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