Questions on oxalic acid for rust removal
I have some rusty parts that I would like to cleanup (minor parts like bolts and stuff). I've read on this forum that oxalic acid and brushing the parts every so often will work well for removing rust. I've been reading posts in the forum regarding the subject, however, I'm still not sure on a couple of things. For anybody that has done this, do you have these answers?
1. What mixture of oxalic acid and water should I use? 2. How long should I soak the parts? 3. In regards to brushing the parts...should I use a soft bristle brush or metal bristles? Thanks. |
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there are roughly 8 billion threads on this in this forum alone. Do some reading and you'll find your answers.
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Hey, Holiday! I have almost as many useless posts as you!
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Originally Posted by ColonelJLloyd
(Post 12439128)
Hey, Holiday! I have almost as many useless posts as you!
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.3% oxalic acid solution. it's found in hardware stores as "wood bleach", but can also be found online. basically dilute it to that particular solution and soak whatever you want.
-soak it however long it takes to remove the rust -i generally brush it with a soft bristle, but if you must use hard bristle, find one made of brass. where I bought my oxalic acid: http://www.van****staxidermy.com/Default.aspx |
Originally Posted by TMP
(Post 12439194)
.3% oxalic acid solution. it's found in hardware stores as "wood bleach", but can also be found online. basically dilute it to that particular solution and soak whatever you want.
-soak it however long it takes to remove the rust -i generally brush it with a soft bristle, but if you must use hard bristle, find one made of brass. where I bought my oxalic acid: http://www.van****staxidermy.com/Default.aspx Holiday...that didn't help much...I was just asking for clarification on some of the stuff I read about the subject in the forums. Sorry to waste your time. |
He wasn't being a jerk, Mike. It just so happens that a thread exactly like yours is started a few times a week. All the information you could possibly need can be found in the link I provided.
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Originally Posted by ColonelJLloyd
(Post 12439546)
He wasn't being a jerk, Mike. It just so happens that a thread exactly like yours is started a few times a week. All the information you could possibly need can be found in the link I provided.
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Originally Posted by frantik
(Post 12439557)
is any topic about 30+ year old machines not a repeat? :D
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Well maybe a topic about how well oxalic acid would work to clean up an old steel BIKES DIRECT bike.........
Originally Posted by ColonelJLloyd
(Post 12439574)
True, but this one is particularly redundant. THE zombie topic.
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I use oxalic acid to bleach wood now and again. Novel, eh?
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yep...no offense taken...it just seems odd to me that somebody would post a response to a topic that they clearly don't want to see. But, I'm new here to the forum...maybe after a few years i will be doing the same thing.
I did read a lot of the topics on oxalic acid, but I still had questions...mainly, the directions on the oxalic acid box say to use the entire package in a gallon of water to bleach wood (that's 12 oz. or 24 tablespoons). But, according to TMP you should use a .3% solution for bike parts...that comes to about 3/4 tablespoon per gallon. I know there is a big difference between wood and steel, but does that seem right? Or, do i just have a diluted package of oxalic acid. I just don't want my parts to go up in a puff of smoke. |
Originally Posted by zzMike
(Post 12440188)
yep...no offense taken...it just seems odd to me that somebody would post a response to a topic that they clearly don't want to see. But, I'm new here to the forum...maybe after a few years i will be doing the same thing.
I did read a lot of the topics on oxalic acid, but I still had questions...mainly, the directions on the oxalic acid box say to use the entire package in a gallon of water to bleach wood (that's 12 oz. or 24 tablespoons). But, according to TMP you should use a .3% solution for bike parts...that comes to about 3/4 tablespoon per gallon. I know there is a big difference between wood and steel, but does that seem right? Or, do i just have a diluted package of oxalic acid. I just don't want my parts to go up in a puff of smoke. |
Mike,
For me it has been a trial and error process. The stronger the solution, the less time it takes. So long as the part is steel it won't be harmed. I don't worry much about leaving chromed steel parts in a solution for a day or two. I've only soaked two frames. I used a strong solution with both and the paint was faded by the solution on both. A longer period in a weaker solution is the way I'd go if I was interested in preserving the paint. I just eyeball my parts mixture and ~1TB per gallon of warm water sounds about right. |
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