Assertion: calcium carbonate | /r/ObjectUse | used as extender
Facets:
value: in paints
type: LOCATION
value: widely
type: DEGREE
Source sentences:
text: Calcium carbonate is widely used as an extender in paints, in particular matte emulsion paint where typically 30% by weight of the paint is either chalk or marble.
text: Calcium carbonate is widely used as an extender in paints, in particular matte emulsion paint where typically 30% by weight of the paint is either chalk or marble.