how to make a gypsum powder
How to Make Gypsum Products Bizfluent 2022 9 26 Crush the raw gypsum ore into a fine powder in a rock crusher and ball mill Place the powdered gypsum in a large rotating kiln at 150 degrees Fahrenheit to drive the crystalline moisture from the powder in a process called calcining Convert the raw gypsum into stucco with the calcining process