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Want to paint on aluminium backplate - need advice

post #1 of 6
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Ok this prooobably shouldn't go here since it's not exactly related to cases but I'm guessing this section is my best shot to good information.

Basicly I have an aluminium GPU Backplate that I want to paint something on.
Now I have 0 experience with anything related to painting...
So I'm wondering what I should do.

Do I have to go mental on that plate with sandpaper and paint the whole thing?
Or can I just use a specific kind of paint and just add it on top?
And also, is it even a good idea to do this?rolleyes.gif

the item in question is this one: http://www.ekwaterblocks.com/shop/blocks/vga-blocks/fc-backplates/ek-fc680-gtx-backplate-black.html

Thanks a lot for any advice you can give me thumb.gif
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post #2 of 6
Just use a metal "etch primer" first, it adheres to the metal so your top/color coat will take better. Make sure to give it a light sand with a fine grade sandpaper before apply your top coat and remember multiple light coats of paint are better than a heavy coat.

hth's good luck with the project.
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post #3 of 6
you dont have to go crazy on the sanding, but sanding it will turn out better than not sanding it. just go over it with some 400 grit sand paper and then paint.
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post #4 of 6
looks painted already, not sure if that is an enamel, acrylic, powder coat or iodized, they say black painted aluminum so im guessing its an enamel.
you could use enamel paint, and sand it lightly with 600 or 800 wet/dry, use a sanding block which looks like a hard sponge/foam sort of, or not... up to you but sanding by hand will sand un-even.
sand enough to make it dull.

shake can forever... longer the better lol
hold 8-12 inch away and start before one end and continue past the other end, over lap about 2 inches of spray or you'll get zebra stripes if not over lapped enough.
too far away and it will look dry and speckley.
too close or too slow could create orange peel(doesnt peel, but looks like the surface of an orange) or worse, runs.
too much paint will fade the imprint on it.

i would practice on something else first.

oh and before painting wash it with soap and water, wash your hands too to get oils off the surface, and dry.
check for dust in the area your panting, dont want wind, yourself or the aerosol to kick up dust while your painting.
Edited by Tyreal - 5/8/12 at 2:59pm
 
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post #5 of 6
The part is black anodized finish. If I understand your post you are wanting to paint a stripe or design right?
If so use NO primers of any sort it will show when tape is removed.
1. Clean part with soap and water then wipe down with rubbing alcohol.
2. Tape off design and use a scuff pad to rough up surface slightly. ( I personally think you can skip this step)
3. Spray one very light coat to seal tape edge let dry to touch.
4. Spray 1-2 more coats to desired finish.
5. Let dry to touch and very carefully peel off tape.
6. Sit back and say "I done this"!

Edit: May not be anodized like to one I have here,if not it's powder coat either way follow above step.
Edited by FannBlade - 5/8/12 at 5:28pm
    
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post #6 of 6
Quote:
Originally Posted by Krahe View Post

Just use a metal "etch primer" first, it adheres to the metal so your top/color coat will take better. Make sure to give it a light sand with a fine grade sandpaper before apply your top coat and remember multiple light coats of paint are better than a heavy coat.
hth's good luck with the project.

this is a method to use with unpainted surfaces or fresh sand-blasted or stripped metals. applying
etch primer on a painted surface can yeild some bad paint to lift as the distillates can dissolve the
paint underneath and lift and crinkle.
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