Assertion: silicon carbide | /r/HasProperty | exposed to water vapour
Facets:
value: at temperatures
type: TEMPORAL
Source sentences:
text: And studies have shown that when exposed to water vapour at temperatures exceeding 500°C and pressures between 10 and 100 MPa, silicon carbide reacts with water to form unstructured silicon dioxide (SiO 2 ) and methane (CH 4 ).