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| | | | Joined: Sep 2008 Posts: 130 'Bolter | | 'Bolter Joined: Sep 2008 Posts: 130 | I live in Md. and need my rims striped. I can't seem to find a place to do it. I did get a good muratic bath solution I want to try. Anyone out there done this or have any advice to how to take the chrome off. They are steele rims. | | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | Back at a plant were we used chromed cylinders for printing, in 77-86 we would get wet down the cylinders with hot water and then pour muriatic acid on them and the chrome would just come right off. It was hard chrome to. Not sure if you can get the same muriatic we had access to back them but that's how we did it. Maybe someone here has similar experience??.... or plating experience. | | | | | Joined: Jun 2010 Posts: 1,001 Shop Shark | | Shop Shark Joined: Jun 2010 Posts: 1,001 | Sure, muriatic acid will probably strip chrome, but what is it doing to the metal? Making it brittle? I think Phosphoric acid will take the chrome off and be much more friendly to the underlying metal. I am not sure about this, but I have dipped a rusty chrome plated part in phosphoric acid/water solution and watched the solution turn green as it dissolved the chrome.
I stay away from muriatic acid on metal. Just a thought. | | | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | Cadmium is a little different metal than chrome so I'm not sure just how phosphoric acid would work on it, but here are a batch of parts that the cad was in bad shape and I stripped them in a phosphoric acid bath: http://www.pbase.com/dennygraham/image/133951157Problem is, finding phosphoric acid. Used to be in the concrete cleaners but they're taking those off the market. Gotta check the labels real close. DG
Denny G
Sandwich, IL
| | | | | Joined: Sep 2008 Posts: 130 'Bolter | | 'Bolter Joined: Sep 2008 Posts: 130 | I do know this much, after an acid bath the part needs to be nutralized. a soda solution is used for muriatic acid and a few others. I use nitric acid in my bluing formula and use soda. Also boiling parts will nutralize but rims and other such parts are to big to boil for me. Thanks so far for the ideas. You can never learn to much. | | | | | Joined: Jun 2009 Posts: 1,596 'Bolter | | 'Bolter Joined: Jun 2009 Posts: 1,596 | Sure, muriatic acid will probably strip chrome, but what is it doing to the metal? Making it brittle? I think Phosphoric acid will take the chrome off and be much more friendly to the underlying metal. I am not sure about this, but I have dipped a rusty chrome plated part in phosphoric acid/water solution and watched the solution turn green as it dissolved the chrome.
I stay away from muriatic acid on metal. Just a thought. Muriatic (hydrochloric) acid will NOT embrittle the metal. AS long as you neutralize with a lot of water afterwards it will be just fine. You can use something else if you want, but as long as you rinse it off very well with water it will be neutralized. Hydrochloric acid is used for "pickling" of steel after manufacture, which is a process to remove the mill scale. | | | | | Joined: Sep 2008 Posts: 130 'Bolter | | 'Bolter Joined: Sep 2008 Posts: 130 | I'm going to add an electode to the bath. whats best, copper or lead? I have both. | | |
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