Topic 4 part 1 gypsum products Flashcards | Quizlet
sift powder into water. mix powder slowly for approx. 20 secs. mixing of dental stone. turn on vibrator to medium speed place bowl on vibrator platform. this forces air bubbles to rise to the surface, reducing air in the mix and creating a strong mix. lightly press and rotate the bowl on the vibrator for approx. 1 min.