[ARC5] Evapa-Rust Report

[Geoff]

Do you mean Evaporust?

Auto Zone carries it at around $20 gallon and Ive had excellent results with 
it on parts using ferrous and other metals such as steel/aluminum, it only 
attacks the rust and not the base metals.

Carl

----- Original Message ----- 
From: "Robert Eleazer" <releazer at earthlink.net>
To: <arc5 at mailman.qth.net>
Sent: Wednesday, November 13, 2013 12:49 PM
Subject: [ARC5] Evapa-Rust Report


> Some months back I asked here about what might clean up the extensive 
> corrosion on the tuning cap of a National NC-270 I had purchased.  I think 
> it was Ken that recommended a product I had never heard of, Evapa-Rust.
>
> I ended up buying 4 quarts of Evapa-Rust and used it on some parts for my 
> airplane and a few other items.  I found it worked quite well, but often 
> required at least 24-48 hours or more to get the job done.
>
> I finally got around to pulling the tuning cap from the NC-270 last week. 
> I had purchased a replacement but decided to try the Evapa-Rust on the old 
> one.  I dropped the tuning cap in a container of the Evapa-Rust and 
> waited.  By the way, I find it useful to use a plastic bag for this 
> purpose, since suitable containers to enable total immersion of the item 
> often are not available without buying huge quantities of Evapa-Rust.
>
> After 48 hours the cap looked better but still had a ways to go - rust was 
> visible on the frame and heavy corrosion still was on the shaft.  But 24 
> hours later there was a definite improvement.  And 48 hours after that the 
> cap looked very good indeed, with still some corrosion on the worst parts 
> of the shaft.
>
> I rinsed the cap, brushed away at the worst corrosion on the shaft and put 
> it back in the Evapa-Rust for another day or so.
>
> The Evapa-Rust I am using has seen extensive use and is quite dark but it 
> still worked.  I think that removing the item and rinsing it off after 24 
> hours is probably a good idea, enabling the Evapa-Rust to get to the most 
> severe corrosion if you need to continue with the soaking.  Merely taking 
> the cap out after the first 48 hours and accidentally wiping off some of 
> the crud with my hands probably is the reason there was such an 
> improvement for the 24 hours following the first 48.
>
> Anyway, it's great stuff!
>
> Wayne
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