Subject: Re: [BEE-L] water jacketed tank antifreeze
> Mineral oil is used in the Cook&Beals heat exchanger instead of water by a
> few beekeepers.
>
FWIW- oil, not necessarily mineral, is used as a thermal medium in a number
of electrical devices for cooling, transformers for one. Therefore it is
just as god for heating with the much higher temperature capability and
negligible evaporation.
Alden Marshall
Hudson, NH
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