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Best anti rust paint for steel?

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I have some steel that supports quite a bit of weight.  Over the years it has started to rust and I am looking for a solution that perhaps will slow down the rust and coat the steel with some sort of anti rust properties.

 

I know there is the gray paint used on boats and such, but I can't recall what it is.  Any other options out there that are proven?

 

 

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The OP would do well to look at the information in English on TOA Rust Tech products widely available in Thailand. I have bought this TOA paint product in Buriram and I see it in many paint stores and builders merchants building supply stores in Thailand. 

Buriram TOA Metal Rust inhibitor corrosion remover.jpg

TOA Buriram Rust Treatment.jpg

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If you want the best then you need to look in the automotive arena.

 

The first thing you will want to find is  called a "rust converter" this is an acid that will neutralize the rust and stop the reaction from continuing. You actually don't need to remove the existing rust as you just coat the rusting metal and it will turn it black. Who uses this is auto restores and its fairly cheap and works very well.

 

The best finish you can apply on that is a two part epoxy. Again I would recommend an automotive epoxy. They make it in Rayong and its very cheap. Go to an automotive paint store for this as well. That would be the best. One thing is you will need to spray it on as it is just a hair thicker then water and have an air-compressor. It's the best and works very very well.

 

It's super important that you either convert the existing rust or you totally remove it. You can't simply coat rust as it the reaction between oxygen and iron will just occur under your coating.

 

In automotive coating the expression is "less is more"  Several good thin coats is simply better then a single fat thick coat.

 

 

 

 

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I believe Matthew 777 is recommending the correct sort of product. I'll wager that TOA Rust Tech is that level of product. It is sold at better builder merchants, better TOA paint dealers, Thai Watsadu and HomePro in Buriram. A two part system that has instructions in English and Thai on the paint pails. 

Buriram Thailand TOA Rust Inhibitor converter.jpg

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IMG_2239.thumb.jpg.043c2453873438f39537643cb316596f.jpg

A single coat of the above has always worked for me.

Edited by sometimewoodworker
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The OP is probably searching his memory banks for Hammerite.

Not been able to find it  here though, so settled on Rust-oleum

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I've seen Hammerite in spray cans  at  Hardware House ( Bahn Amphur branch)  they didn't have the color I wanted so didn't get a can to try.

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3 minutes ago, Rimmer said:

The OP is probably searching his memory banks for Hammerite.

Not been able to find it  here though

The one I posted above is the same and if you can't get that then this one is available 

IMG_8071.thumb.JPG.ca25a49f37fe54747ccf506fd0ad8c2e.JPG

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2 minutes ago, johng said:

I've seen Hammerite in spray cans  at  Hardware House ( Bahn Amphur branch)  they didn't have the color I wanted so didn't get a can to try.

Can you remember approximately where on the racks by chance?  I was in there last week searching high and low with two sales staff they had never heard of it. All they had was Rust-Oleum white

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Thanks everyone, very helpful.  We have a number of options here in Phuket, so I will send the Mrs. out with photos of these products.

 

"Rust converter" sounds like the best option if Hammerite or Hammered doesn't work this way.

 

 

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6 minutes ago, Rimmer said:

Can you remember approximately where on the racks by chance?  I was in there last week searching high and low with two sales staff they had never heard of it. All they had was Rust-Oleum white

It was on the racks against the wall near the paint mixing machine..there is/was  a small section with  camouflage, fluorescent and chrome  and  I think 2 colors of hammerite  green and blue..no black I was interested in black.

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TOA makes a great rust converter, but be advised, they call it rust remover.

RustTech is the best primer I’ve ever used. It sticks great to virtually any steel, including galvanized and stainless. We used it on several big orders we shipped to tunnel projects in Australia, and had to run it through a 20 year life cycle salt test. The project manager was so impressed with it they tried to import it to Australia to use on other components but they had too much trouble with the Australia’s version of EPA.

The only big downside is that it ONLY HAS A 60 MINUTE POT LIFE. You must be aware of this, and if you are not doing the painting make sure you supervise. It’s been about 5-8 years since I’ve used it, so the pot life may have been extended, but be sure to check.


Sent from my iPhone using Thaivisa Connect

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Zinga 

https://www.demarctrading.com/zinga-59233.page

 

The Thai distributor does not show the 1KG tin of brush on zinga, don't know if the dist. sells small quantities???

 

Brush off all loose rust and debris, degrease and slap or spray it on... quick wash next year and give it a refresh coat.

 

Don't leave the lid off, it will dry out and you would need the solvent as well...

 

 

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you really need to wire brush/sand paper it first to remove any loose rust, then dust it thoroughly,  then apply rust converter, once this is done most rust paints will suffice, a hammer tone type, rust tech or similar are your best bet, its the rust converter that makes it work best though as it modifies/changes the rust so when re coated it will not break down again, did this as part of my trade for close to 40 years so I know it works and last for many years

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