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Old 03-12-2019, 07:08 PM
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Walker Walker is offline
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Default Phosphatizing ( Parkerizing) steel

I used a product some years ago like a Prepsol product. After using it there was a greyish tint to the steel and it was supposably a phosphate coating to help prevent rust. I was wanting to use it recently but couldn't find the product that had the phosphate feature. More than likely it is a result of the nanny state.

Does any body have an idea how to achieve similar results without having to fully Parkerize? Just looking for additional rust control in spots that don't get coated well with paint.

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Old 03-12-2019, 07:15 PM
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Originally Posted by Walker View Post
I used a product some years ago like a Prepsol product. After using it there was a greyish tint to the steel and it was supposably a phosphate coating to help prevent rust. I was wanting to use it recently but couldn't find the product that had the phosphate feature. More than likely it is a result of the nanny state.

Does any body have an idea how to achieve similar results without having to fully Parkerize? Just looking for additional rust control in spots that don't get coated well with paint.

Sent from my E6810 using ShopFloorTalk mobile app
Name Brand Ospho "not the dilute with water crap" from local hardware stores.
Take your heat gun NO flame warm the steel till you cannot hold it then brush the Ospho on and let it sit till dry... it will give you a "depending on the metal" dark gray or blackish finish after you brush it off with a bristle brush... and give you rust protection.
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Old 03-12-2019, 08:53 PM
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Shade Tree Welder Shade Tree Welder is offline
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Phosphate or phosphating... I love it when peeps just make up words.
Walker you missed your calling in Marketing!!!

The dark gray coating you are talking about is Manganese Phosphate, and that is Parkerizing. You can get kits from Brownells.

Ospho is a chrome phosphate coating.

http://www.ospho.com/
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Old 03-12-2019, 10:32 PM
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Well, what can I say, I was shooting from the hip. Spellcheck had no cluewhat I was after either, so at some point you have to just go for it!
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Old 03-12-2019, 10:44 PM
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Originally Posted by Shade Tree Welder View Post
Phosphate or phosphating... I love it when peeps just make up words.
Walker you missed your calling in Marketing!!!

The dark gray coating you are talking about is Manganese Phosphate, and that is Parkerizing. You can get kits from Brownells.

Ospho is a chrome phosphate coating.

http://www.ospho.com/
Ok, educate me what the difference is in protection with both proses...
I know the prosses I use and suggested has worked for me for quite a few years
I have a steel table that has set out in weather and is still blackish and no rust... I'm Not sure if Walker is looking for appearance or protection or both...
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Old 03-12-2019, 10:46 PM
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Well, what can I say, I was shooting from the hip. Spellcheck had no cluewhat I was after either, so at some point you have to just go for it!
what is it you are looking for protection or appearance or is it both that is needed the prosses is not bad either way but may not be what you are looking for...
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Old 03-13-2019, 07:38 AM
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Quote:
Originally Posted by MetalWolf View Post
Ok, educate me what the difference is in protection with both proses...
I know the prosses I use and suggested has worked for me for quite a few years
I have a steel table that has set out in weather and is still blackish and no rust... I'm Not sure if Walker is looking for appearance or protection or both...
If you look at the surface after phosphate coating have been deposited
under a microscope. Iron Phosphate, Zinc Phosphate, Manganese Phosphate
or Chrome Phosphate. You will see a sponge like coating. They coating aid
in the adhesion of paint or will absorb any rust preventive you might apply
like a gun oil, etc. The Chrome and Manganese give the best rust protection
but they are the most expensive to apply, and if you don't mind the off
chance of cancer from the chrome. Zinc is what is applied to car bodies and
iron is what is commonly used on ag and off road equipment.
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Old 03-13-2019, 07:43 AM
Lew Hartswick Lew Hartswick is offline
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As to generating new words, If the president can do it, it must be OK . :-)
"Deescalating" From a long time ago. :-)
...lew...
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Old 03-13-2019, 08:22 AM
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Just looking for a little better rust prevention in crevices on ironwork. Everything gets painted, butit is impossible to get paing into the small crevices and tight curls on scrollwork.
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Old 03-13-2019, 01:36 PM
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Quote:
Originally Posted by Shade Tree Welder View Post
If you look at the surface after phosphate The Chrome and Manganese give the best rust protection
but they are the most expensive to apply, and if you don't mind the off
chance of cancer from the chrome.
Zinc is what is applied to car bodies and
iron is what is commonly used on ag and off road equipment.
Well, heck Ron. I figure it this way. Just about everything including peanut butter sandwiches, Now a day... there is a risk to one's health.

No doubt, I will likely keep, using what works for me. But will no longer. suggest the use of it to others... I just figured it has proven to be a good product for use in rust protection with long-lasting results.
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