Hafnium plate

Grade
Hf+Zr;99.95%; Zr<2% Diameter : 0.125 to 4nch (3mm to 101.6mm). GENERAL PROPERTIES Symbol: Hf Atomic Number: 72 Atomic Weight: 178.49 Density: 13.31 gm/cc Melting Point: 2227 oC Boiling Point: 4602 oC Thermal Conductivity: 0.230 W/cm/K @ 298.2 K Electrical Resistivity: 35.1 microhm-cm @ 25 oC Electronegativity: 1.3 Paulings Specific Heat: 0.035 Cal/g/K @ 25 oC Heat of Vaporization: 155 K-Cal/gm atom at 4602 oC Heat of Fusion: 6.0 Cal/gm mole Thermal Neutron Cross Section: 115 Barns