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Clear coat aluminum

Learn and share top coat finishing techniques, experiences, and product knowledge here. Paint, anodize, rubber coating, etc.
noclinkers
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Clear coat aluminum

Postby noclinkers » Fri Jul 21, 2017 12:09 pm

I am making a two piece sign. The Backing is polished aluminum. Would y"all clear coat the aluminum or leave it bare? This is an indoor sign.
If you did clear, how would you prep?
Thanks!

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Gamelord
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Re: Clear coat aluminum

Postby Gamelord » Fri Jul 21, 2017 11:35 pm

Clear coat. Aluminum will oxidize over a short period of time and your polish will slowly fade to a dull grayish hue. If you are using spray clear, just prep like paint. For powder I would clean thoroughly and bake (out-gassing) to make sure everything is perfectly clean, then powder.
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