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

Chris Wilson chris at chriswilson.tv
Tue Jan 22 19:16:29 EST 2013

> 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!

       Best Regards,
                   Chris Wilson.

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