>beeswax

afaik many UHF/VHF circuits are still using beeswax to mechanically
stabilize the tuned elements inside the 'cans'. Makes a nice mess when
opening them for service, but works every time.

beeswax for electronic use has a neutral Ph (it is purified). Natural
beeswax also has a neutral Ph but it changes a little with the source. It
is relatively safe to use for short periods afaik (~1 year max).

Peter

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