Assertion: refractory mortar | /r/CapableOf | resist 2,550°f
Facets:
value: for a minimum of 6 hours
type: TEMPORAL
Source sentences:
text: Regular mortars can generally reach temperatures up to 600°F while a medium-duty refractory mortar has been lab tested to resist 2,550°F for a minimum of 6 hours without melting out of the joints of a firebrick and refractory mortar assembly.