Assertion: carbon black | /r/HasProperty | formed
Facets:
value: out of primary carbon
type: OTHER
value: essentially
type: DEGREE
Source sentences:
text: Carbon black is essentially formed out of primary carbon, but its structure is much less arranged than that of, for example, graphite.
text: Quench 60, located at point 62, injecting quenching fluid 50, which may be water, is utilized to stop the chemical reaction when carbon blacks are formed.