The Definitive Guide to gypsum
Calcination: The powdered gypsum is heated to remove h2o molecules, making various forms of plaster with regards to the temperature and duration of heating.Hydration of Anhydrite: Gypsum may form in the hydration of anhydrite (CaSO₄). Anhydrite is actually a calcium sulfate mineral that lacks the h2o molecules existing in gypsum. When exposed to