... turbine components2, Suction box covers3, Seals,bearings4, Ball valve parts5, Hot gas flow liners6, Heat exchangers7, Semiconductor ... , High density3, Low thermal conductivity (20% that of Alumina)4, Chemical inertness5, Resistance to molten metals6, Lonic electrical ... turbine components2, Suction box covers3, Seals,bearings4, Ball valve parts5, Hot gas flow liners6, Heat exchangers7, Semiconductor ...