Assertion: hypophosphorous acid's salt | /r/CapableOf | prevent corrosion
Facets:
value: to the mold
type: TRANSITIVE-OBJECT
Source sentences:
text: No. 4,212,793 discloses that various alkaline salts of phosphoric acid and phosphorous acids, when added to a poly (arylene sulfide) resin prevents corrosion to the mold used in molding the resin, said corrosion being due to contact of the mold with sulfur dioxide.