bit of an update. You had me curious.
I'm wondering if you couldn't use soy wax. Much lower melting temp and readily available in many places. As it is, my wife and I make soy candles for Christmas gifts so maybe I could "borrow" some of that wax and try it this year.
Side-note: I am planning to make cheese this year (when the temps around here are lower than Hades) so who knows, maybe plant based waxes may work.