[Milsurplus] Advice on rust remover

[Bill Blodgett]

I second Glenn’s recommendation and description.  Evapo-Rust is proven, using a compound of phosphoric acid, the chemical used in industry to remove oxidation from steel and prep it for coating(s).

73s,

Bill
AI5RP / KJ5BNE/AE
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Bill Blodgett
Arlington, Texas


> On Oct 28, 2024, at 8:27 PM, Glenn Little WB4UIV <glennmaillist at bellsouth.net> wrote:
> 
> Any acid will remove more than rust.
> Evapo-o-Rust will only remove iron oxide, it will not attack the steel below the rust and it is non toxic.
> It will remove gun blueing as it is an oxide.
> I have used a lot of it and it works very well.
> If you soak a rusted toll in it you will probably wind up with black residue that washes off.
> This is the carbon that was in the rust.
> This is a solution that falls into the too good to be true category.
> 
> Glenn
> WB4UIV
> 
> On 10/28/2024 5:53 PM, sbjohnston--- via Milsurplus wrote:
>> Several people have told me they use citric acid (purchased as a powder and dissolved in water) to remove rust.  These restorations involve tools and parts being soaked in the citric acid solution for some hours (overnight perhaps).  
>> 
>> The photo and video results have looked quite good.  I imagine the odor is low or pleasant and the toxicity is nil.   Cost seems low too:
>> 
>> https://www.amazon.com/s?k=citric+acid+powder
>> 
>> https://www.youtube.com/results?search_query=citric+acid+rust
>> 
>> 
>> Steve WD8DAS  
>> 
>> sbjohnston at aol.com <mailto:sbjohnston at aol.com>  
>> http://www.wd8das.net/  
>> http://af4k-crystals.com <http://af4k-crystals.com/>/  
>> 
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>> 
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> -- 
> -----------------------------------------------------------------------
> Glenn Little                ARRL Technical Specialist   QCWA  LM 28417
> Amateur Callsign:  WB4UIV            wb4uiv at arrl.net <mailto:wb4uiv at arrl.net>    AMSAT LM 2178
> QTH:  Goose Creek, SC USA (EM92xx)  USSVI, FRA, NRA-LM    ARRL TAPR
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