I've been using a clear metal primer called X-I-M 900 for 20 years. It never
flakes off & NO CORROSION on the aluminum. I buy it at a local paint store
for $7.99 a spray can, or you can buy it in pints & quarts for brush-on. Look
for a "good" paint store to find it. Builder's Square or Home Depot don't even
know what it is.
XIM has an 800 number you can call to find out who sells it, but it escapes me
right now.
Any other questions, please Email me.
73, Joe, WD5FHG
Incidentally, I live 2 blocks from Corpus Christi(TX) bay on the south Texas
Gulf coast-a very corrosive atmosphere.
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