Jul 11
What Is Bone Tar?
Direct answer: Bone tar is a tarry liquid produced when animal bones are heated in low-oxygen conditions. It is a historical and industrial by-product rather than a normal craft tar. The basic principle is the same as other destructive distillation processes: organic material decomposes under heat, producing gases, liquids, oils, and residues. In the case of bones, the feedstock is animal bone…