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So I've got this anodized aluminum case here...

post #1 of 5
Thread Starter 
So I was given this pretty awesome and gigantic case that's anodized aluminum, but it has some scratching and scuffs on the sides, and I'm wondering if it will be possible to sand those scratches out and then repaint it, or possibly have it powder coated, in order to make it look new again.

Is that possible to do? I could get a used one in better condition, but they're freaking expensive and I also kind of want the project/challenge of restoring it the best I can.

Yay or nay?

Thanks!
post #2 of 5
you can have it re-anodized, but honestly with an anodized aluminum case myself, i'd just get it powder coated in what ever color you like
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post #3 of 5
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Quote:
Originally Posted by somebadlemonade View Post

you can have it re-anodized, but honestly with an anodized aluminum case myself, i'd just get it powder coated in what ever color you like

Well yeah I definitely want to get it powder coated as I'm pretty sure that would be easier/cheaper to find a shop that will actually do it, but right now I am trying to focus on repairing the case and its many scratches and scuffs. Is it just a matter of taking some sandpaper to the case and getting all of that stuff as smooth as possible?

I'm trying to figure out which sandpaper will do what I need, but won't take too much off of the actual case itself.
post #4 of 5
that depends on how deep the scratches and scuffs are, but you likely won't get an exact match for the anodized color unless it's clear, and even that might be a bit off unless you re-do the whole case

from my understanding if you're going to get it powder coated, you don't need to strip the anodized finish, what exactly are you trying to do with the case, re-anodize, powder coat, or paint?

if you want to re-anodize the case, maybe just some 600 grit paper over the scratches they they are smooth, but if they are really deep and distorted the metal, you aren't really going to be able to smooth them out without knowing how to do metal work, which i kind of get the feeling you don't or you wouldn't be asking about this. . . and if you do get re-anodized, the place that does that will strip the old anodized before they anodize the case, and you might want to either get a nice powder coating of flat clear, or paint it with matte/flat clear just so you don't have to go through this again

if you want to powder coat it, you usually don't have to worry too much about scuffs unless they are rough or of a different texture than the other finish, but you might want to ask the place you are getting it powder coated at as they will tell you in more detail how you should prep the case for powder coating

if you're going to get it painted, some 600 grit over the rough areas, and the prime they used can go right over the anodized coating usually, but ask the place if that's a good idea since not all products react the same way to anodized aluminum

if you're planning on painting it yourself, you can soak the pieces in caustic soda(aka lye) and the anodized coating comes right off, but i don't really recommend doing this yourself unless you have experience working with dangerous chemicals, just phone up a place that does anodizing and they'll strip it for you, and if you have the professional painting equipment you have to find a decent set of products from aluminum primer to the finish coat, again i think if you had this stuff you wouldn't be asking, but if you're going the rattle can route, look for a product line from the same manufacture so you can completely avoid bad reactions, and find one that has a self-etching primer and work your way though all the prep work after you get it back from the anodizers, and then prime and paint as the directions state on the can
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by somebadlemonade View Post

that depends on how deep the scratches and scuffs are, but you likely won't get an exact match for the anodized color unless it's clear, and even that might be a bit off unless you re-do the whole case

from my understanding if you're going to get it powder coated, you don't need to strip the anodized finish, what exactly are you trying to do with the case, re-anodize, powder coat, or paint?

if you want to re-anodize the case, maybe just some 600 grit paper over the scratches they they are smooth, but if they are really deep and distorted the metal, you aren't really going to be able to smooth them out without knowing how to do metal work, which i kind of get the feeling you don't or you wouldn't be asking about this. . . and if you do get re-anodized, the place that does that will strip the old anodized before they anodize the case, and you might want to either get a nice powder coating of flat clear, or paint it with matte/flat clear just so you don't have to go through this again

if you want to powder coat it, you usually don't have to worry too much about scuffs unless they are rough or of a different texture than the other finish, but you might want to ask the place you are getting it powder coated at as they will tell you in more detail how you should prep the case for powder coating

if you're going to get it painted, some 600 grit over the rough areas, and the prime they used can go right over the anodized coating usually, but ask the place if that's a good idea since not all products react the same way to anodized aluminum

if you're planning on painting it yourself, you can soak the pieces in caustic soda(aka lye) and the anodized coating comes right off, but i don't really recommend doing this yourself unless you have experience working with dangerous chemicals, just phone up a place that does anodizing and they'll strip it for you, and if you have the professional painting equipment you have to find a decent set of products from aluminum primer to the finish coat, again i think if you had this stuff you wouldn't be asking, but if you're going the rattle can route, look for a product line from the same manufacture so you can completely avoid bad reactions, and find one that has a self-etching primer and work your way though all the prep work after you get it back from the anodizers, and then prime and paint as the directions state on the can


Hey thanks for the reply good sir!

I am getting the case powder coated, and as you have already mentioned in your post, as well as confirmed with the place that's doing the powder coating for me, I don't really have to do anything about the scratches or scuff marks. Before powder coating, the case goes through a heated media blasting process that will strip the anodized finish, including the scuffs and scratches, and blast the case down to its aluminum frame. Then the powder coat the case, and then they finish it in whatever texture I choose.

So yeah, fortunately for me I don't have to do jack squat for this case, I'm just dropping it off at the shop. Can't wait!
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