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Model Forum / Radio Controlled / Land Models / August 2005



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removing or changing color of anodized parts

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M78Ultra - 17 Aug 2005 02:37 GMT
Besides scraping or sanding of some sort...
Is there an easy way to remove anodized coating on aluminum? Without
effecting the aluminum integrity itself.
Let's say you somehow can easily..,if it's a threaded part, wouldn't
removing the coating affect the threads? (depth/groove)
-Or-
Is it possible to change it's color perhaps by dyeing?

Just curious if I could change some blue ofna wheel adapters/nuts to purple
or regular aluminum color easily....
Dre - 17 Aug 2005 02:50 GMT
> Besides scraping or sanding of some sort...
> Is there an easy way to remove anodized coating on aluminum? Without
[quoted text clipped - 6 lines]
> Just curious if I could change some blue ofna wheel adapters/nuts to purple
> or regular aluminum color easily....

You legend, I've been trying to remember to post this for bloody ages :)

Me too, I want to change an anodized blue motor plate to purple to match the
rest of the alu in my RS4 Micro...

My main concern is how to remove without leaving visible marks (which I
would assume would show when anodized)

As far as threaded parts are concerned, I would be inclined to say that the
layer of oxide (I think that is what it is) isn't very thick at all, so
would effect the threads.  If the oxide is removable, your only going to put
the same stuff back, but in a different colour so the end result should be
the same.

Cheers Dre
DanTXD - 17 Aug 2005 12:35 GMT
>> Besides scraping or sanding of some sort...
>> Is there an easy way to remove anodized coating on aluminum? Without
[quoted text clipped - 26 lines]
>
> Cheers Dre

Here you go boys -

http://www.mkeeler.com/anodising/deanodise.htm

Signature

Dan

M78Ultra - 18 Aug 2005 01:54 GMT
Thanks!
I also just read that oven cleaner will strip anodizing off as well....
Will have to try it and see...

> >> Besides scraping or sanding of some sort...
> >> Is there an easy way to remove anodized coating on aluminum? Without
[quoted text clipped - 30 lines]
>
> http://www.mkeeler.com/anodising/deanodise.htm
M78Ultra - 18 Aug 2005 20:46 GMT
Picked up my Ofna wheel adapters today, along with a cheap (.97 cent) can of
oven cleaner (same stuff as easy off- i.e. sodium hydroxide). Tossed each
piece in a stainless steel bowl one at a time and sprayed enough in to cover
the part. Swirled around with an old toothbrush. Worked great!  Removed from
bowl and sprayed with waterhose real good. Dried. Then ran over part with
some aluminum cleaner real quick. Then I soaked the part with WD-40. Rinsed
out the bowl and started on the next piece with same process. Nice satin
aluminum finish! No more blue!
Just be sure to wear latex gloves and don't breath the fumes!

> Thanks!
> I also just read that oven cleaner will strip anodizing off as well....
[quoted text clipped - 36 lines]
> >
> > http://www.mkeeler.com/anodising/deanodise.htm
Dre - 18 Aug 2005 04:12 GMT
> >> Besides scraping or sanding of some sort...
> >> Is there an easy way to remove anodized coating on aluminum? Without
[quoted text clipped - 30 lines]
>
> http://www.mkeeler.com/anodising/deanodise.htm

Nice one!  and you can do it at home, even better :)

Cheers Dre
 
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