This article is a stub. You can help Feed The Beast Wiki by expanding it.

Slag is a secondary output of the Thermal Expansion Induction Smelter. The slag can be cooked in a furnace to make Rockwool which is non-flammable wool. Slag can be used to make a florb. Florbs are a item that can be used to make a holdable liquids, not using a bucket. The liquids vary from hot Lava , to Gelid Cryotheum. 

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.