Assertion: ground mica | /r/ObjectUse | used in joint compounds
Facets:
value: to bond
type: PURPOSE
Source sentences:
text: It is used in joint compounds to bond, strengthen and fill in the seams between drywall sheets; as an asbestos substitute in automotive products; in roofing shingle coatings to prevent sticking; and in high-temperature and ultraviolet-radiation insulation.