Assertion: silicon carbide | /r/HasProperty | tough material
Facets:
Source sentences:
text: They are using silicon carbide (SiC), a tough material used to make sandpaper and grip tape for skateboards that will in time become the standard replacement for silicon.
text: Top: Engineers at GE are using silicon carbide (SiC) , a tough material used to make sandpaper and grip tape for skateboards, to make chips that will in time become the standard replacement for silicon.