Assertion: hafnium | /r/HasAspect | great point of melting
Facets:
value: very
type: DEGREE
Source sentences:
text: Hafnium is a rare element with rare applications: - component of control rods for nuclear reactors - component of some alloys - getter in lamps and tubes - electrode for plasma cutters - hafnium dioxide was recently used as an electrical insulator in microprocessors - hafnium carbide has a very great point of melting (the most refractory compound known today) - possible use in weapons (USA)