Similar to Cave Dust and the like, with different recipes requiring different amounts (of course).
Convert Current Beeswax to 'Beeswax nuggets' and make equal to some value.
Allow the creation (through cauldrons) of Beeswax Bars and Blocks, and Slabs equal to 10x nuggets, 40x nuggets, and 80x nuggets respectively. (With inventory sizes of 1, 2x2, and 2x4 respectively)
You can 'break' them to get smaller portions, slabs will preferentially break into blocks, blocks will break into bars, bars will break into nuggets.
By preference these will not be able to be placed in barrels, in spite of their 'liquid' nature, but instead will have (Stockpiles for everything, Infinite Capacity)