Assertion: silicon carbide's hardness | /r/HasSubevent | its use
Facets:
value: as a coating
type: PURPOSE
Source sentences:
text: The extreme hardness of silicon carbide leads to its use as a coating when wear resistance is important, such as brake linings and electrical contacts, and in non-slip applications such as floor or stair treads, terrazzo tile, deck-paint formulations, and road surfaces.