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

[Vic K2VCO]

I tried some of the XYL's nail polish remover, which contains acetone -- it works! 
Tomorrow I'll get some pure stuff at the hardware store. Thanks to everyone who suggested 
this.

On 1/22/2013 4:16 PM, Chris Wilson 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.
>
>
> 23/01/2013 00:14
>
> If they use the same marker as here in the UK cellulose thinners gets
> it off. I am a race car engineer and I use a lot of aluminium in sheet
> and other forms, that's what works on ali sheet here. Good luck!
>

-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/