Grinding and calcining of gypsum with Pfeiffer grinding plants TEXT Eckhard Sander, Gebr. Pfeiffer SE, KaiserslauternGermany For the production of plaster products natural gypsum, synthetic gypsum or a mixture of both are calcined. Depending on the production process two different modifications of the hemihydrate CaSO 4 x 189 H 2 O are obtained ...Get Latest Price
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