just fyi: >>Due to its high density, shaped charge and explosively formed penetrator liners have been constructed from tantalum. Tantalum greatly increases the

just fyi: >>Due to its high density, shaped charge and explosively formed penetrator liners have been constructed from tantalum. Tantalum greatly increases the armor penetration capabilities of a shaped charge due to its high density and high melting point. ( https://en.wikipedia.org/wiki/Tantalum https://en.wikipedia.org/wiki/Tantalum )