I have used toilet ring and beeswax and add vasoline or gear grease.
I went to order beeswax and the person ask white or yellow,whats the differenc?
she asked what I wanted it for and I told her bullets so she said why not use ours,I bought 50 lbs at $1lb.do you have any idea how many sticks that would make.I sold 25 lb for $5 a lb to club members.

get a fryer pot and melt your own.yard sales have them for couple dollars.
steel conduit makes good mold pour and put in freezer and use a broom handle to push it out.