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Old 04-14-2012, 08:20:22 AM   #1
1971CamaroGuy
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rust removal via electrolysis...experts??

I'm toying around with this and tanked one of my seat tracks yetserday. It looks good but I need to know if I left it in long enough.

I used washing soda, water , and old tailpipe as the electrode and a battery charger

There's no signs of rust now, but I'm assuming the dark areas are normal? I planned on painting my tracks anyways.

I left them in all night





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Old 04-14-2012, 08:28:30 AM   #2
earlysecond
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We tried this once as an experiment on the dogleg of a fender. Used baking soda, you said washing soda thats why I asked.

I think you may get even beter results with a cleaner electrode. The rust seems to be attracted to the electrode and when it is clean it really builds up on it.

The stuff that a friend and I did as an experiemnt we let soak overnight upto a day.

Washed it really well, let it dry for days then epoxy.

Sadly, the car threw a rod months later so I cannot tell you the results.

If you search youtube for the show truckin (I think) and maybe keywords like rust or electrolysys you may find their instructions which are pretty specific.

Good Luck,
Brent
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Old 04-14-2012, 08:32:32 AM   #3
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Vinegar is WAY cheaper and easier!!!!
http://www.nastyz28.com/forum/showthread.php?t=233220


.Plus, you don't have to worry about these safety precautions:
- Make sure no spills can get to the battery charger. (electrocution potential as with any electric appliance)
- The leads from the charger are relatively safe, but you may still get a bit of a shock if you put your hands in the solution or touch the electrodes while the charger is running.
- Turn off the current before making adjustments to the setup. Just as a "spark" can cause a charging battery to explode in your face, this process produces similar gases because this process splits water into hydrogen gas (at the negative electrode) and oxygen at the positive electrode).
- Hydrogen will burn explosively if ignited. All flames, cigarettes, torches, etc. must be removed from the area, and sparks caused by touching the leads together must be avoided. The work should be performed outside or in a well ventilated area to remove these gases safely.
- Washing soda solutions are alkaline and will irritate the skin and eyes. Use eye protection and gloves. Immediately wash off any solution spilled or splashed onto your body.
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Last edited by mgoad1971 : 04-14-2012 at 08:38:39 AM.
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Old 04-14-2012, 08:40:39 AM   #4
1971CamaroGuy
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Thanks guys

The site i found the info said to use washing soda and not baking soda

http://antique-engines.com/electrol.asp

It's relativity safe, the charger is up off the ground away from the bucket and water.

I'm going to try the vinager trick for small parts like nuts and bolts
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Old 04-14-2012, 08:43:11 AM   #5
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Cool

muratic acid and a wire brush will do the job also...eats the rust and leaves the good metal alone
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Old 04-14-2012, 08:59:41 AM   #6
mgoad1971
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I'm talking the safest, easiest, and cheapest way to remove rust.
Not sure why anyone would hook a battery up to a metal bar dipped in liquidto do the same thing that $2 a gallon would do


Here is my current set-up (without using a current )




I always dunk it and .... Forget it!!!

Pull it up, spray (pressure washer or garden hose) the rust right off. Squirt some Acetone to get rid of the water, and prime!!



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Old 04-14-2012, 09:01:46 AM   #7
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Quote:
Originally Posted by junky1
muratic acid and a wire brush will do the job also...eats the rust and leaves the good metal alone
Muriatic is Hydrochloric acid. Same thing. It reacts to metal, not just the rust (iron oxide) and may weaken the metal if left too long. Sulfuric acid would actually be safer on metal than HCL.

and you DO NOT want to put aluminum in with HCL!!!!!!!




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Old 04-14-2012, 03:36:44 PM   #8
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Let me see if I've got this right, you are putting baking soda in water in a wash pan, hooking a battery charger to a steel pipe and putting it in the water? This sounds dangerous!!!
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Old 04-14-2012, 06:06:49 PM   #9
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Dangerous but fun! Sometimes you need to live on the edge. J/K

I certainly did not invent elecrolysis, cant spell it and do not usually do it.

I used some full strentgh vinegar and was a little less than impressed BUT I need to clean up the stinky parts before I decide.

I guess whatever works best for you is best for you.

Removing rust or paint are the most terrible parts of a resto so anything that makes it easer is alright by me!

Brent
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Old 04-14-2012, 07:41:52 PM   #10
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Just got the latest
'HOT ROD" in the mail. Great artical on this there!
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Old 04-14-2012, 08:12:23 PM   #11
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Looks like a crapload of trouble ans mess for just fair results. My fine glass beads do it far better, cleaner, and faster. About 1 minute per track - DONE. Send them to me and I'll do them for you.
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