[sdiy] polishing aluminum panels

[dancemachine at gmail.com]

try mr clean magic eraser, great very fine abrasive, works well on  
apple aluminum laptops.  might need to work your way down from courser  
abrasives finally ending with magic eraser

sent from phone

On Oct 3, 2009, at 5:12 PM, Danjel van Tijn <danjel at gmail.com> wrote:

> I posted about this a while ago but since then I have tried various
> methods without success:
>
> I have aluminum panels that were laser cut and came with a lot of deep
> surface scratches.
> The very fine scratches can be worked out with 1000-1500 grit
> sandpaper. Everything else is too deep and various abrasive methods
> (coarser sandpaper, nylon brush on drill) ended up covering the
> aluminum with nothing but scratches (at least it looks consistent).
> Any kind of soft buffing and polish compounds had no effect.
> The only thing that has worked well so far was a little metal spinning
> brush on my dremel (like a metal bristle wheel on a bench grinder).
> The dremel tool is too tiny but I think this is a bit I can buy for a
> normal drill. It seemed like this would take out the deep scratches
> and polish the metal to a shiny finish. After that I can even things
> out with 1500 snadpaper and then polish the metal with a compound like
> Jewelers Rouge. Does that sound about right? Any other methods/tools
> to try?
> Should I just take these to a metal shop?
>
> Also I tried David's suggestion of using the Diamond Clear finish but
> every time I spray it on I find that it is leaving speckles and does
> not coat the aluminum evenly, even if I try an initially super light
> coat.
>
>
> cheers,
> Danjel
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