PLASTER OF PARIS
Major raw materials require are the Gypsum, maleic anhydride, and Sodium hydroxide. Gypsum available in form of NATURAL GYPSUM, MARINE GYPSUM, DRIED GYPSUM and PHOSPHO GYPSUM. 6. MANUFACTURING PROCESS: Washed marine gypsum is pulverized to 200 I.S. mesh. The pulverized gypsum is fed to reactor where water is added to make slurry.