Assertion: carbon black | /r/CapableOf | obtain as soot
Facets:
value: from partial combustion of hydrocarbons
type: CAUSE
value: usually
type: TEMPORAL
Source sentences:
text: Carbon black, any of a group of intensely black, finely divided forms of amorphous carbon, usually obtained as soot from partial combustion of hydrocarbons, used principally as reinforcing agents in automobile tires and other rubber products but also as extremely black pigments of high hiding power in printing ink, paint, and carbon paper.