Delayed "hygroscopic" expansion of gypsum products.
D002133:Calcium Sulfate; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003734:Dental Casting Investment; D007648:Kerosene; D013499:Surface Properties; D013997:Time Factors; D014867:Water
D003734:Dental Casting Investment; D007648:Kerosene; D014867:Water; D002133:Calcium Sulfate