[Amps] How to get the blue markings off of aluminum stock

[Al Kozakiewicz]

I'd never heard of the stuff.  I looked at a random MSDS here: http://www.goofoffstainremover.com/product-information and assumed they were all pretty much the same.  If it has acetone (and no abrasives or acids), then it should work.

Al
AB2ZY

-----Original Message-----
From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of N3XX
Sent: Thursday, January 24, 2013 12:29 PM
To: Amps reflector
Subject: Re: [Amps] How to get the blue markings off of aluminum stock

The can of Goof Off I have here is labeled Professional Strength.  Probably all the ingredients aren't listed, but it does say on the can that it contains acetone and xylene.  It also says on the can that it's for use on all metals.
I sprayed some on a couple of old aluminum antenna elements and on my aluminum ladder, wiped it around and let it dry.  15 munutes later no damage to the aluminum was seen.
If there is some concern, just test it on the inside of the cabinet before using it on the outside.

73,
Tim - N3XX

----- Original Message -----
From: "Al Kozakiewicz" <akozak at hourglass.com>
To: "Amps reflector" <amps at contesting.com>
Sent: Tuesday, January 22, 2013 8:14 PM
Subject: Re: [Amps] How to get the blue markings off of aluminum stock


>>>>I would try "Goof Off" http://www.goof-off.com/ Home Depot, Lowes, & 
>>>>many other places sell it.
>
> Contains alcohol, anti-freeze and an acid that may etch aluminum.
>
> A lot of the industrial ink jet printers don't use an ink at all; many are 
> polymers.  Think toner.
>
> Try acetone, toluene or MEK (methyl ethyl ketone).  All are solvents that 
> will  attack various plastics but not etch aluminum.  The really nasty 
> heavy-duty paint removers are generous with the MEK.
>
> Al
> AB2ZY
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