Also try MAC'S choke and carb cleaner also available at NAPA.
Randy E. Randall AB9GO
Network Engineer
UC Health
Randy.Randall@UCHealth.com
Phone 513-585-7146
Fax 513-585-7159
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Dan Simmonds
Sent: Tuesday, January 22, 2013 4:46 PM
Cc: Amps reflector
Subject: Re: [Amps] How to get the blue markings off of aluminum stock
I use "Brakleen" brake parts cleaner for stubborn removal jobs. It will eat
though most anything that alcohol and gasoline won't touch.
Available at NAPA / Walmart, etc.
Dan Simmonds
Vic K2VCO wrote:
> Well, I just finished the cover for my power supply. Removed the clear
> plastic from the aluminum sheet, and it is beautiful -- except for the
> blue printing that indicates the alloy, etc.
>
> How do you get this off? I've tried 91% isopropyl alcohol and various
> petroleum-based solvents without success. I would hate to use anything
> abrasive because then I would have to polish the whole thing to make
> it look nice again. I hope there is something I can buy at the
> hardware store!
>
> I don't understand why the manufacturer didn't put the printing on the
> unprotected side.
>
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