Assertion: carbon black | /r/ObjectUse | used as pigment
Facets:
value: since very earliest times
type: TEMPORAL
value: in a wide variety of media
type: LOCATION
value: in rubber and plastic products
type: LOCATION
Source sentences:
text: Carbon black was used as a pigment since very earliest times.
text: Carbon black was used as a pigment since very earliest times.
text: Carbon black is used as a pigment and reinforcement in rubber and plastic products.
text: Carbon blacks are used as pigments in a wide variety of media, including, for example, toners, inkjet inks, and inkjetable color filters.