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Joined: Sep 2016
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Would those acidic or other rust removal options work for hot blue, cold blue, etc? Or just for rust blued steel?


Jim
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I haven't tried the phosphoric on hot blued parts so I don't know for sure. Best guess it would. Unless there is lots of pits with active rust I just polish of the old finish. Polish to 320 or 400 depending on how high a polish you want the finished product. I clean and blend by using Comet and grey scothbrite and hot water.

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I have used Birchwood Casey blue and rust remover in the past. Is there a metal or finish where previous shared methods would be better than the BC option?

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Looks like the BC remover is a mixture of acids according to the SDS. As far as I can tell, all rust removers are either acid (vinegar, etc) or chelators (like evapo-rust). If I'm understanding the posts here correctly, there is nothing to say that these methods wouldn't work on all the typical bluing methods.


Here's the SDS of BC rust and blue remover:


Jim
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Naval Jelly (Phosphoric) works on hot dip and the various rust blues equally.

Here is an example...rust blued butt plate with bluing removed from scene. I applied Naval Jelly 3 times, washing with hot water between and then gave the scene 2 coats of Renaissance wax with lamp black added and then 2 coats without the lamp black.


Last edited by SamW; 08/10/20 03:25 PM.

Sam Welch
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Thanks Jim. That's a great looking butt plate Sam.
Scott

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I've used the BC blue and rust remover as well. It seems to do a decent job of blue removal. I've used it to remove hot and rust bluing....seems to work equally well on either.

I've also just polished off the blue.

Very nice looking butt plate!


Cameron Hughes
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toilet bowl cleaner works good.

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This has always appealed to my mean streak for removing Blue because it is cheap and works well, Distilled White Vinegar it is usually around 6% Acetic Acid so does not damage the metal.


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OOps!!!

Last edited by damascus; 08/18/20 06:42 AM.

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