Assertion: pure cryolite | /r/HasAspect | lower density than aluminum
Facets:
value: at the temperatures
type: TEMPORAL
Source sentences:
text: Besides having a relatively low melting point, cryolite is used as an electrolyte because, among other things, it also dissolves alumina well, conducts electricity, dissociates electrolytically at higher voltage than alumina, and also has a lower density than aluminum at the temperatures required by the electrolysis.