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Originally Posted by Joe
doesnt transformer oil have PCB's in it? you know, toxic, cancerous, etc...
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Seems oils you can currently purchase tend not to contain PCBs, they certainly used to though.
I'm still not sure what use as an additive transformer oil would have as it has significantly lower heat capacity than water (water has pretty much the highest heat capacity of any substance known to man in fact). Plus it would just float on the water.