Characteristics:
 > High strength and stiffness at high temperatures
 > Low thermal expansion
 > Low vapor pressure
 > Good electrical resistivity
 > Low emissivity
 > High density

 Main Application:
 > Heating element for high temperature, vacuums and      glass melting furnace
 > Shielding Material for X-ray and Computerized     tomography Machine
 > Electrodes for welding
 > Cathodes/Anodes for rare earth smelting
 > Filament for lamp
 > Glass-to-Metal Seals

 Characteristic:
 > High melting temperature
 > Low thermal expansion
 > Good thermal conductivity
 > Low vapour pressure

 Main Application:
 > Melting furnace
 > Crystal growth etc
 > Electrodes for the melting of glass
 > High temperature furnace
 > Semiconductor base plate for performance electronic
 > Sputtering targets for the coating technology etc