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machine powder gypsum mill

7 rows·Gypsum Millis developed from the raymond mill. After being grinded by thegypsumgrinding mill,thegypsumpowder(usually is about 120-200 mesh) mainly are used in the production of paper facedgypsumboard. In order to make the paper facedgypsumboard, the rawgypsum powdershould be calcined in advance. ( 2 CaSO4 *2H2O (calcined) = 2 CaSO4*1/2 H2O + 3H2O ). The calcinedgypsum powder…

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