Dry ground bone ash from Pyrotek is less dense than aluminium and will not affect the quality of castings. This is a tri-calcium phosphate bone ash coating, which is a dry, chemically inert, fine white powder. It outperforms red mud as a parting agent, adhering and packing well into troughs and launders. Its protects from skull buildup to increase the life of trough sections, refractories and tools.
