Zirconium Boride

Name:
Zirconium Boride
Detailed information:

Chemistry name:	zirconium diboride
M Formula:	ZrB2
Properties:
Gray metallic crystals or powders. D 6.085, mp 3000C, Mohs hardness 8, electrical resistivity 9.2 micro-ohm-cm (20C), excellent thermal shock resistance, poor oxidation resistance above 1100C.
Hazard:
TLV: 5 mg(Zr)/m3. Toxic.
Use:
Refractory for aircraft and rocket applications, thermocouple protection tubes, high temperature electrical conductor, cutting tool component, coating tantalum, cathode in high-temperature electrochemical systems.