I consider this to be the definitive reason why beeswax is a better
potting material for VCO's.

What more do you want? - its cheap, readily available, easy to use,
recyclable, easy to get out for equipment maintenance, smells ok when
melted (better than modern chemicals) - need I say more?

Andrew VK3BFA
Andrew, do you know what the thermal conductivity of beeswax is?
Alan