I would try "Goof Off" http://www.goof-off.com/
Home Depot, Lowes, & many other places sell it.
73,
Tim - N3XX
----- Original Message -----
From: "Vic K2VCO" <k2vco.vic@gmail.com>
To: "Amps reflector" <amps@contesting.com>
Sent: Monday, January 21, 2013 2:53 PM
Subject: [Amps] How to get the blue markings off of aluminum stock
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.
--
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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