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[TR] rust removers recommendations

Subject: [TR] rust removers recommendations
From: Dave1massey at cs.com (Dave1massey at cs.com)
Date: Mon, 13 Jun 2011 08:28:22 -0400 (EDT)
In a message dated 6/13/2011 2:10:22 AM Central Daylight Time, 
triumphstag at gmail.com writes: 
> Can anyone recommend a good liquid type rust remover? I'd like to soak 
> some
> Stag parts in a bath. There are some types where you soak them in a bath 
> and
> then wash the stuff off, I'm not looking for that type.
> 

What type are you looking for?  

The two main types are the chelate that bonds with iron oxide much more 
quickly than iron or steel effectively removing the rust from a metal part with 
little or no effect on the remaining steel.  It works slowly so you need to 
soak over night or for a few days.  But it leaves no residue once you rinse 
it off.  The product itself is not hazardous at all.  

http://www.evaporust.com/evaporust.html?gclid=CMujssbtsqkCFYTr7Qod3B4vMQ

But that's not the stuff you are looking for.

The other type is typically phosphoric acid.  Navel Jelly is on commonly 
available product using phosphoric acid.  It combines with iron oxide making 
iron phosphate.  It does a pretty effective job of arresting rust but it 
leaves a residue of iron phosphate so it is best to either mechanically remove 
as much rust as you can first or mechanically remove the iron phosphate 
afterwards or you want the rust gone.  This is a hazardous material in that it 
is 
an acid and must be handled as such.  And you must rinse that off, too.

There may be others.

Dave

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