On Thursday, June 11, 2015 at 6:58:19 PM UTC-4, Ed Huntress wrote:


I suppose you know that all "synthetic" oils are made from petroleum
oil.

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Ed Huntress

I am not too sure about that statement. Does that include silicon oil? And how about the oil for use with 410a refrigerant? And then there is the oil with iodine in it. And the transmission oil made with jojoba oil.

Dan