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Right way to paint aluminium
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Stingray:

--- Quote from: Ken Layton on October 04, 2005, 06:13:17 pm ---Aluminum needs Zinc Chromate (greenish colored) primer.

--- End quote ---

You can paint aluminum with no problems provided you use the zinc chromate primer that Ken mentioned. It will hold up just as well as of the part were steel.

-S
stratjakt:
There's zinc oxide primer too, supposedly somewhat less toxic than zinc chromate and works just as well.

http://www.aircraftspruce.com/catalog/cspages/ptizincoxideprimer.php

I believe both types of paint need to be shipped HAZMAT, which would jack up the price ordering such stuff online.  I've never seen it at autozone or pep boys.

I used rustoleum clean metal primer and black laquer and it came out ok, like I said before.
Stingray:
You can buy it locally anywhere, though you won't find it at a place like Autozone. Find a professional auto paint shop. If you can't find 'em in the phone book, call a body shop and ask them where they buy their paint.

-S
danny_galaga:

--- Quote from: Stingray on October 05, 2005, 11:10:40 am ---
--- Quote from: Ken Layton on October 04, 2005, 06:13:17 pm ---Aluminum needs Zinc Chromate (greenish colored) primer.

--- End quote ---

You can paint aluminum with no problems provided you use the zinc chromate primer that Ken mentioned. It will hold up just as well as of the part were steel.

-S

--- End quote ---

its also sometimes called 'etch primer'. would be ok but i think powder coating would be the most durable, even over anodising.
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