Assertion: graphite | /r/ObjectUse | used in crucible
Facets:
value: because of its high temperature resistance
type: CAUSE
value: because of low reactivity with molten metals
type: CAUSE
value: often
type: TEMPORAL
Source sentences:
text: Graphite is used in pencils, lubricants, crucibles, foundry facings, polishes, arc lamps, batteries, brushes for electric motors, and cores of nuclear reactors.
text: Graphite, a form of carbon, is often used for crucibles because of its high temperature resistance and low reactivity with molten metals.