[TowerTalk] zinc chromate, was Aluminum radials

[K8RI on Tower talk]

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>>Good luck on finding good old zinc chromate primer (the pale yellow 
>>stuff); I haven't seen it in quite a few years - the chromate part doomed 
>>it.
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> ------------ REPLY SEPARATOR ------------
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> Do a Google search for Alodine. It is readily available, in fact I
> used it to chromate the chassis of the amp I am building. I bought
> mine from a company called Aircraft Spruce. You need to prepare the
> aluminum surface first with a solution, also sold by them.

That's where I get mine, but remember that alodine is a very thin and 
fragile coating. It can be scrubbed off with a dry paper towel.

Some aircraft paint supply places may still have the chromate primer.

Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com
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> Note that Alodine is not paint; it chemically bonds with the aluminum
> whereas paint forms a mechanical bond.
>
> Bill, W6WRT
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