On 3/18/16 4:06 PM, Roger (K8RI) on TT wrote:
Is there anything that will keep an antenna shiny and bright, besides
not putting it up?
I have often heard clear Krylon mentioned, but from my experience, it is
very short lived. Three coats, allowed to dry between coats only lasted
a few months if that.
Around here (central MI) the shiny Al turns to a dull finish in a month
or two.
Alodyne does last and looks good, if you like a shiny gold color and
have both time and ambition. I have used Alodyne on aircraft elevator
hinges. It's a very labor intensive (tedious) process. The antenna
would certainly stand out.
There's variety of chemical conversion coatings in all manner of
colors; one of them must be "silver".
You might look at what they use for mirrors used with solar
collectors: it's important that they stay high reflectivity. It might
be some sort of clear aluminum oxide coating that's formed by carefully
controlling the oxidation process.
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