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Old 11-19-2011, 10:28 PM
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Findm-Keepm Findm-Keepm is offline
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Join Date: Jun 2007
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Quote:
Originally Posted by bgadow View Post
Great job! Is that just plain beeswax?
Usually they used microcrystalline wax - it's non-hygroscopic (won't absorb/pass water). We used it in the Navy to coat fiber shields around 40KV Airborne Radar power supply units. It will support fungal growth, but a single drop of mineral oil in the molten wax stops that. We simply brushed it on with a natural bristle brush, and used a solder pot. Never had a problem with it cracking or arcing.

Here's one source of wax:

http://www.freemansupply.com/MicroCrystallineWa.htm

I've got ZERO experience in buying wax, 'cept for my wife's candle making.

Cheers,
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USN RET 22YRS (Avionics/Cal)
CET-Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"

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